{"id":"https://openalex.org/W4241014635","doi":"https://doi.org/10.1001/jama.1940.02810040061039","title":"C\u00e6sarean Section: Lower Segment Operation","display_name":"C\u00e6sarean Section: Lower Segment Operation","publication_year":1940,"publication_date":"1940-01-27","ids":{"openalex":"https://openalex.org/W4241014635","doi":"https://doi.org/10.1001/jama.1940.02810040061039"},"language":"en","primary_location":{"id":"doi:10.1001/jama.1940.02810040061039","doi":"https://doi.org/10.1001/jama.1940.02810040061039","is_oa":true,"landing_page_url":"https://doi.org/10.1001/jama.1940.02810040061039","pdf_url":"https://jamanetwork.com/journals/jama/articlepdf/1159532/jama_114_4_039.pdf","source":{"id":"https://openalex.org/S172573765","display_name":"JAMA","issn_l":"0002-9955","issn":["0002-9955","0098-7484","1538-3598","2376-8118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-3","ki-jl-3","medline","norway-2"],"host_organization":"https://openalex.org/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Medical Association","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://jamanetwork.com/journals/jama/articlepdf/1159532/jama_114_4_039.pdf","any_repository_has_fulltext":true},"authorships":[],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8839,"has_fulltext":true,"cited_by_count":395,"citation_normalized_percentile":{"value":0.87234043,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"114","issue":"4","first_page":"351","last_page":"351"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10189","display_name":"Anesthesia and Pain Management","score":0.36550000309944153,"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"}},"topics":[{"id":"https://openalex.org/T10189","display_name":"Anesthesia and Pain Management","score":0.36550000309944153,"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"}},{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.34060001373291016,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T12990","display_name":"Medical History and Innovations","score":0.2808000147342682,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cesarean-section","display_name":"cesarean section","score":0.9990000128746033},{"id":"https://openalex.org/keywords/lower-uterine-segment","display_name":"lower uterine segment","score":0.8920000195503235},{"id":"https://openalex.org/keywords/spinal-anesthesia","display_name":"spinal anesthesia","score":0.8949999809265137},{"id":"https://openalex.org/keywords/obstetric-anesthesia","display_name":"obstetric anesthesia","score":0.7570000290870667},{"id":"https://openalex.org/keywords/anesthesia-mortality","display_name":"anesthesia mortality","score":0.5870000123977661},{"id":"https://openalex.org/keywords/ether-anesthesia","display_name":"ether anesthesia","score":0.7519999742507935},{"id":"https://openalex.org/keywords/local-infiltration-anesthesia","display_name":"local infiltration anesthesia","score":0.9039999842643738},{"id":"https://openalex.org/keywords/obstetric-surgical-technique","display_name":"obstetric surgical technique","score":0.5400000214576721}],"concepts":[{"id":"https://openalex.org/C2780129039","wikidata":"https://www.wikidata.org/wiki/Q1931107","display_name":"Section (typography)","level":2,"score":0.896699070930481},{"id":"https://openalex.org/C112698675","wikidata":"https://www.wikidata.org/wiki/Q37038","display_name":"Advertising","level":1,"score":0.36376363039016724},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.3442516028881073},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.33682721853256226}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1001/jama.1940.02810040061039","doi":"https://doi.org/10.1001/jama.1940.02810040061039","is_oa":true,"landing_page_url":"https://doi.org/10.1001/jama.1940.02810040061039","pdf_url":"https://jamanetwork.com/journals/jama/articlepdf/1159532/jama_114_4_039.pdf","source":{"id":"https://openalex.org/S172573765","display_name":"JAMA","issn_l":"0002-9955","issn":["0002-9955","0098-7484","1538-3598","2376-8118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-3","ki-jl-3","medline","norway-2"],"host_organization":"https://openalex.org/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Medical Association","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:123376","doi":null,"is_oa":false,"landing_page_url":"http://europepmc.org/pmc/articles/PMC537792","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:europepmc.org:4487924","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5151727","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:5151727","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5151727","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Ind Med Gaz","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:537792","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/537792","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Can Med Assoc J","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1001/jama.1940.02810040061039","doi":"https://doi.org/10.1001/jama.1940.02810040061039","is_oa":true,"landing_page_url":"https://doi.org/10.1001/jama.1940.02810040061039","pdf_url":"https://jamanetwork.com/journals/jama/articlepdf/1159532/jama_114_4_039.pdf","source":{"id":"https://openalex.org/S172573765","display_name":"JAMA","issn_l":"0002-9955","issn":["0002-9955","0098-7484","1538-3598","2376-8118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-3","ki-jl-3","medline","norway-2"],"host_organization":"https://openalex.org/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Medical Association","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.8560000061988831}],"sustainable_development_goals_aurora":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.5600000023841858}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4241014635.pdf","grobid_xml":"https://content.openalex.org/works/W4241014635.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2560853036","https://openalex.org/W2566696415","https://openalex.org/W1563787543","https://openalex.org/W4249026152","https://openalex.org/W2909241626","https://openalex.org/W2890304493","https://openalex.org/W590015412","https://openalex.org/W4211021113","https://openalex.org/W2966241533"],"abstract_inverted_index":{"The":[0,51,108],"author":[1,109],"favors":[2],"the":[3,7,141,148],"transverse":[4],"incision":[5],"in":[6,23,33,43,60,117],"lower":[8],"uterine":[9],"segment":[10],"and":[11,40],"states":[12],"numerous":[13],"reasons":[14],"for":[15,133],"his":[16,28,63],"preference.":[17],"For":[18],"anesthesia":[19,42,57,87,115,128],"he":[20,67],"employed":[21],"ether":[22],"about":[24],"one":[25,37,48],"fourth":[26],"of":[27,55,62,82,96,112,147],"cases":[29],"(sixty),":[30],"local":[31],"infiltration":[32],"slightly":[34],"less":[35,46,98],"than":[36,47,99,136],"third":[38],"(seventy-four)":[39],"spinal":[41,56,86,114,127],"a":[44,79,93],"little":[45],"half":[49],"(112).":[50],"author's":[52,149],"frequent":[53],"use":[54],"is":[58,125,129,144],"surprising":[59],"view":[61],"own":[64],"statement,":[65],"which":[66],"emphasizes":[68],"by":[69],"italicizing,":[70],"that":[71],"\"any":[72],"obstetrician":[73],"who":[74],"sets":[75],"out":[76],"to":[77,91,104],"perform":[78],"large":[80],"series":[81],"cesarean":[83,118],"sections":[84],"under":[85],"must":[88],"be":[89],"prepared":[90],"face":[92],"possible":[94],"mortality":[95],"not":[97],"1":[100],"per":[101],"cent":[102],"due":[103],"this":[105],"cause":[106],"alone.\"":[107],"specifies":[110],"ways":[111],"making":[113],"safer":[116],"section":[119],"but,":[120],"even":[121],"if":[122],"every":[123],"precaution":[124],"taken,":[126],"nevertheless":[130],"more":[131],"dangerous":[132],"obstetric":[134],"patients":[135],"any":[137],"other":[138],"anesthetic.":[139],"Throughout":[140],"book":[142],"there":[143],"abundant":[145],"evidence":[146]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":372},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-09-11T09:22:31.653822","created_date":"2025-10-10T00:00:00"}
