{"id":"https://openalex.org/W2155259659","doi":"https://doi.org/10.1016/s0140-6736(02)09896-3","title":"Wait-and-see policy or laparoscopic cholecystectomy after endoscopic sphincterotomy for bile-duct stones: a randomised trial","display_name":"Wait-and-see policy or laparoscopic cholecystectomy after endoscopic sphincterotomy for bile-duct stones: a randomised trial","publication_year":2002,"publication_date":"2002-09-01","ids":{"openalex":"https://openalex.org/W2155259659","doi":"https://doi.org/10.1016/s0140-6736(02)09896-3","mag":"2155259659","pmid":"https://pubmed.ncbi.nlm.nih.gov/12241833"},"language":"en","primary_location":{"id":"doi:10.1016/s0140-6736(02)09896-3","doi":"https://doi.org/10.1016/s0140-6736(02)09896-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0140-6736(02)09896-3","pdf_url":null,"source":{"id":"https://openalex.org/S49861241","display_name":"The Lancet","issn_l":"0099-5355","issn":["0099-5355","0140-6736","1474-547X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Lancet","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Djemila Boerma","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802928900","display_name":"Amsterdam UMC Location University of Amsterdam","ror":"https://ror.org/03t4gr691","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Djemila Boerma","raw_affiliation_strings":["Department of Surgery, Academic Medical Center, Amsterdam, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Academic Medical Center, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I2802928900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110082138","display_name":"Erik A. Rauws","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802928900","display_name":"Amsterdam UMC Location University of Amsterdam","ror":"https://ror.org/03t4gr691","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Erik AJ Rauws","raw_affiliation_strings":["Department of Gastroenterology, Academic Medical Center, Amsterdam, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Gastroenterology, Academic Medical Center, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I2802928900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068284022","display_name":"Yolande C.A. Keulemans","orcid":"https://orcid.org/0000-0002-8097-4213","observed_orcids":["https://orcid.org/0000-0002-8097-4213"]},"institutions":[{"id":"https://openalex.org/I2802928900","display_name":"Amsterdam UMC Location University of Amsterdam","ror":"https://ror.org/03t4gr691","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Yolande CA Keulemans","raw_affiliation_strings":["Department of Surgery, Academic Medical Center, Amsterdam, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Academic Medical Center, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I2802928900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038344046","display_name":"Ignace M. C. Janssen","orcid":"https://orcid.org/0000-0001-5666-754X","observed_orcids":["https://orcid.org/0000-0001-5666-754X"]},"institutions":[{"id":"https://openalex.org/I4210152306","display_name":"Rijnstate Hospital","ror":"https://ror.org/0561z8p38","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210152306"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Ignace MC Janssen","raw_affiliation_strings":["Rijnstate Hospital, Arnhem"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rijnstate Hospital, Arnhem","institution_ids":["https://openalex.org/I4210152306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080164733","display_name":"Clemens J. M. Bolwerk","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210099110","display_name":"Reinier de Graaf Hospital","ror":"https://ror.org/00wkhef66","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210099110"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Clemens JM Bolwerk","raw_affiliation_strings":["Reinier de Graaf Hospital, Delft"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Reinier de Graaf Hospital, Delft","institution_ids":["https://openalex.org/I4210099110"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055167426","display_name":"R. Timmer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210103448","display_name":"St. Antonius Ziekenhuis","ror":"https://ror.org/01jvpb595","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210103448"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Ron Timmer","raw_affiliation_strings":["Sint Antonius Ziekenhuis, Nieuwegein"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sint Antonius Ziekenhuis, Nieuwegein","institution_ids":["https://openalex.org/I4210103448"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040704738","display_name":"E J Boerma","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Egge J Boerma","raw_affiliation_strings":["Kennemer Gasthuis, Haarlem"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kennemer Gasthuis, Haarlem","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111532412","display_name":"Huug Obertop","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802928900","display_name":"Amsterdam UMC Location University of Amsterdam","ror":"https://ror.org/03t4gr691","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Huug Obertop","raw_affiliation_strings":["Department of Surgery, Academic Medical Center, Amsterdam, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Academic Medical Center, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I2802928900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049771516","display_name":"K. Huibregtse","orcid":"https://orcid.org/0000-0001-5798-9743","observed_orcids":["https://orcid.org/0000-0001-5798-9743"]},"institutions":[{"id":"https://openalex.org/I2802928900","display_name":"Amsterdam UMC Location University of Amsterdam","ror":"https://ror.org/03t4gr691","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Kees Huibregtse","raw_affiliation_strings":["Department of Gastroenterology, Academic Medical Center, Amsterdam, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Gastroenterology, Academic Medical Center, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I2802928900"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023596163","display_name":"Dirk Jan Gouma","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802928900","display_name":"Amsterdam UMC Location University of Amsterdam","ror":"https://ror.org/03t4gr691","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"Dirk J Gouma","raw_affiliation_strings":["Department of Surgery, Academic Medical Center, Amsterdam, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Academic Medical Center, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I2802928900"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5023596163"],"corresponding_institution_ids":["https://openalex.org/I2802928900"],"apc_list":{"value":7890,"currency":"USD","value_usd":7890},"apc_paid":null,"fwci":8.119,"has_fulltext":false,"cited_by_count":346,"citation_normalized_percentile":{"value":0.97930438,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"360","issue":"9335","first_page":"761","last_page":"765"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13697","display_name":"Biliary and Gastrointestinal Fistulas","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12053","display_name":"Minimally Invasive Surgical Techniques","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/laparoscopic-cholecystectomy","display_name":"laparoscopic cholecystectomy","score":0.9330000281333923},{"id":"https://openalex.org/keywords/endoscopic-sphincterotomy","display_name":"endoscopic sphincterotomy","score":0.9549999833106995},{"id":"https://openalex.org/keywords/choledocholithiasis","display_name":"choledocholithiasis","score":0.8659999966621399},{"id":"https://openalex.org/keywords/gallstones","display_name":"gallstones","score":0.9390000104904175},{"id":"https://openalex.org/keywords/watch-and-wait-strategy","display_name":"watch-and-wait strategy","score":0.9580000042915344},{"id":"https://openalex.org/keywords/conversion-to-open-surgery","display_name":"conversion to open surgery","score":0.7929999828338623},{"id":"https://openalex.org/keywords/quality-of-life","display_name":"quality of life","score":0.7760000228881836},{"id":"https://openalex.org/keywords/acute-cholecystitis","display_name":"acute cholecystitis","score":0.8769999742507935}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9501200914382935},{"id":"https://openalex.org/C2776641081","wikidata":"https://www.wikidata.org/wiki/Q638774","display_name":"Cholecystectomy","level":2,"score":0.645458459854126},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.529413104057312},{"id":"https://openalex.org/C2779777945","wikidata":"https://www.wikidata.org/wiki/Q851111","display_name":"Bile duct","level":2,"score":0.5132741928100586},{"id":"https://openalex.org/C61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","level":1,"score":0.5107672214508057},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.49216192960739136},{"id":"https://openalex.org/C2776884468","wikidata":"https://www.wikidata.org/wiki/Q1263617","display_name":"Common bile duct","level":2,"score":0.4903991222381592},{"id":"https://openalex.org/C2780354107","wikidata":"https://www.wikidata.org/wiki/Q376666","display_name":"Cholecystitis","level":3,"score":0.48638346791267395},{"id":"https://openalex.org/C2777148285","wikidata":"https://www.wikidata.org/wiki/Q64386","display_name":"Gallbladder","level":2,"score":0.45720037817955017},{"id":"https://openalex.org/C2987287001","wikidata":"https://www.wikidata.org/wiki/Q638774","display_name":"Laparoscopic cholecystectomy","level":2,"score":0.45582115650177},{"id":"https://openalex.org/C2910747057","wikidata":"https://www.wikidata.org/wiki/Q272714","display_name":"Gallbladder Stone","level":3,"score":0.4312267303466797},{"id":"https://openalex.org/C2779951463","wikidata":"https://www.wikidata.org/wiki/Q7268788","display_name":"Quality of life (healthcare)","level":2,"score":0.4184105098247528},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002769","descriptor_name":"Cholelithiasis","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011788","descriptor_name":"Quality of Life","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016717","descriptor_name":"Sphincterotomy, Endoscopic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017081","descriptor_name":"Cholecystectomy, Laparoscopic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017558","descriptor_name":"Elective Surgical Procedures","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":4,"locations":[{"id":"doi:10.1016/s0140-6736(02)09896-3","doi":"https://doi.org/10.1016/s0140-6736(02)09896-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0140-6736(02)09896-3","pdf_url":null,"source":{"id":"https://openalex.org/S49861241","display_name":"The Lancet","issn_l":"0099-5355","issn":["0099-5355","0140-6736","1474-547X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Lancet","raw_type":"journal-article"},{"id":"pmid:12241833","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/12241833","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lancet (London, England)","raw_type":"Clinical Trial"},{"id":"pmh:amcpub:oai:pure.amc.nl:publications/406894d1-e2e1-462b-9510-740ef48772f8","doi":null,"is_oa":false,"landing_page_url":"https://pure.amc.nl/en/publications/waitandsee-policy-or-laparoscopic-cholecystectomy-after-endoscopic-sphincterotomy-for-bileduct-stones-a-randomised-trial(406894d1-e2e1-462b-9510-740ef48772f8).html","pdf_url":null,"source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lancet, 360(9335), 761 - 765. Elsevier Limited","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:pure.amsterdamumc.nl:openaire_cris_publications/52df42e4-3bd5-4a09-86cd-a2723a3fa063","doi":null,"is_oa":false,"landing_page_url":"https://pure.amsterdamumc.nl/en/publications/52df42e4-3bd5-4a09-86cd-a2723a3fa063","pdf_url":null,"source":{"id":"https://openalex.org/S7407055222","display_name":"Pure Amsterdam UMC","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Boerma, D, Rauws, E A J, Keulemans, Y C A, Janssen, I M C, Bolwerk, C J M, Timmer, R, Boerma, E J, Obertop, H, Huibregtse, K & Gouma, D J 2002, 'Wait-and-see policy or laparoscopic cholecystectomy after endoscopic sphincterotomy for bile-duct stones: a randomised trial', Lancet, vol. 360, no. 9335, pp. 761-765. https://doi.org/10.1016/S0140-6736(02)09896-3","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"study_designs":[{"display_name":"Randomized Controlled Trial","id":"https://openalex.org/study-designs/randomized-controlled-trial"},{"display_name":"Clinical Trial","id":"https://openalex.org/study-designs/clinical-trial"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1558957508","https://openalex.org/W1986205943","https://openalex.org/W1994839478","https://openalex.org/W2001099467","https://openalex.org/W2031089113","https://openalex.org/W2037377025","https://openalex.org/W2045275239","https://openalex.org/W2057775030","https://openalex.org/W2068268074","https://openalex.org/W2094075325","https://openalex.org/W2103569538","https://openalex.org/W2108643903","https://openalex.org/W2111086692","https://openalex.org/W2120080315","https://openalex.org/W2129388697","https://openalex.org/W2136936642","https://openalex.org/W2156000474","https://openalex.org/W2165052609","https://openalex.org/W2317584071","https://openalex.org/W4285719527","https://openalex.org/W4292806894"],"related_works":["https://openalex.org/W2136710587","https://openalex.org/W2099553693","https://openalex.org/W2397805150","https://openalex.org/W2023287428","https://openalex.org/W2087374978","https://openalex.org/W2117914233","https://openalex.org/W2110546549","https://openalex.org/W4311677163","https://openalex.org/W1998136709","https://openalex.org/W2048039324"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":13},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":20},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":18},{"year":2017,"cited_by_count":15},{"year":2016,"cited_by_count":11},{"year":2015,"cited_by_count":18},{"year":2014,"cited_by_count":17},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":22}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}