{"id":"https://openalex.org/W2097047879","doi":"https://doi.org/10.1016/0010-7824(77)90026-9","title":"A rapid method for measuring menstrual blood loss using automatic extraction","display_name":"A rapid method for measuring menstrual blood loss using automatic extraction","publication_year":1977,"publication_date":"1977-09-01","ids":{"openalex":"https://openalex.org/W2097047879","doi":"https://doi.org/10.1016/0010-7824(77)90026-9","mag":"2097047879"},"language":"en","primary_location":{"id":"doi:10.1016/0010-7824(77)90026-9","doi":"https://doi.org/10.1016/0010-7824(77)90026-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0010-7824(77)90026-9","pdf_url":null,"source":{"id":"https://openalex.org/S82319153","display_name":"Contraception","issn_l":"0010-7824","issn":["0010-7824","1879-0518"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","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":"Contraception","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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":"John Newton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153400","display_name":"King's College Hospital","ror":"https://ror.org/044nptt90","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210111135","https://openalex.org/I4210153400"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"John Newton","raw_affiliation_strings":["WHO Collaborating Centre for Clinical Research King's College Hospital Medical School Denmark Hill, London, SE5 8RX UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"WHO Collaborating Centre for Clinical Research King's College Hospital Medical School Denmark Hill, London, SE5 8RX UK","institution_ids":["https://openalex.org/I4210153400"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113732407","display_name":"G. Barnard","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153400","display_name":"King's College Hospital","ror":"https://ror.org/044nptt90","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210111135","https://openalex.org/I4210153400"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Geoffrey Barnard","raw_affiliation_strings":["WHO Collaborating Centre for Clinical Research King's College Hospital Medical School Denmark Hill, London, SE5 8RX UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"WHO Collaborating Centre for Clinical Research King's College Hospital Medical School Denmark Hill, London, SE5 8RX UK","institution_ids":["https://openalex.org/I4210153400"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111712097","display_name":"William Collins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153400","display_name":"King's College Hospital","ror":"https://ror.org/044nptt90","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210111135","https://openalex.org/I4210153400"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"William Collins","raw_affiliation_strings":["WHO Collaborating Centre for Clinical Research King's College Hospital Medical School Denmark Hill, London, SE5 8RX UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"WHO Collaborating Centre for Clinical Research King's College Hospital Medical School Denmark Hill, London, SE5 8RX UK","institution_ids":["https://openalex.org/I4210153400"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210153400"],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":4.6108,"has_fulltext":false,"cited_by_count":142,"citation_normalized_percentile":{"value":0.93993126,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"16","issue":"3","first_page":"269","last_page":"282"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12054","display_name":"Menstrual Health and Disorders","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T12054","display_name":"Menstrual Health and Disorders","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T10600","display_name":"Reproductive Health and Contraception","score":0.00139999995008111,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T11314","display_name":"Clinical Laboratory Practices and Quality Control","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/3607","display_name":"Medical Laboratory Technology"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/menstrual-blood-loss","display_name":"menstrual blood loss","score":0.9890000224113464},{"id":"https://openalex.org/keywords/automatic-extraction","display_name":"automatic extraction","score":0.49900001287460327},{"id":"https://openalex.org/keywords/vaginal-tampons","display_name":"vaginal tampons","score":0.9150000214576721},{"id":"https://openalex.org/keywords/sanitary-towels","display_name":"sanitary towels","score":0.996999979019165}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7596205472946167},{"id":"https://openalex.org/C4725764","wikidata":"https://www.wikidata.org/wiki/Q844704","display_name":"Extraction (chemistry)","level":2,"score":0.6096553206443787},{"id":"https://openalex.org/C89838059","wikidata":"https://www.wikidata.org/wiki/Q623738","display_name":"Coefficient of variation","level":2,"score":0.5393230319023132},{"id":"https://openalex.org/C2778089247","wikidata":"https://www.wikidata.org/wiki/Q368951","display_name":"Blank","level":2,"score":0.522406816482544},{"id":"https://openalex.org/C2781162219","wikidata":"https://www.wikidata.org/wiki/Q26250693","display_name":"Replicate","level":2,"score":0.5136706233024597},{"id":"https://openalex.org/C2778562268","wikidata":"https://www.wikidata.org/wiki/Q102769","display_name":"Sodium hydroxide","level":2,"score":0.5101995468139648},{"id":"https://openalex.org/C2991743468","wikidata":"https://www.wikidata.org/wiki/Q166019","display_name":"Blood loss","level":2,"score":0.5044735670089722},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.41632869839668274},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.3004019856452942},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11482581496238708},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09586051106452942},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.07236629724502563},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0010-7824(77)90026-9","doi":"https://doi.org/10.1016/0010-7824(77)90026-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0010-7824(77)90026-9","pdf_url":null,"source":{"id":"https://openalex.org/S82319153","display_name":"Contraception","issn_l":"0010-7824","issn":["0010-7824","1879-0518"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","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":"Contraception","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W8189779","https://openalex.org/W1530251823","https://openalex.org/W1575492564","https://openalex.org/W1968841568","https://openalex.org/W1994690142","https://openalex.org/W1994873297","https://openalex.org/W2001891985","https://openalex.org/W2012165536","https://openalex.org/W2034763516","https://openalex.org/W2059645804","https://openalex.org/W2070797927","https://openalex.org/W2071832698","https://openalex.org/W2081316994","https://openalex.org/W2118241521","https://openalex.org/W2125435034","https://openalex.org/W2170421901","https://openalex.org/W2215144751","https://openalex.org/W2284812918","https://openalex.org/W2397290275","https://openalex.org/W2409651634","https://openalex.org/W4247840597"],"related_works":["https://openalex.org/W33330656","https://openalex.org/W2017027791","https://openalex.org/W1966290822","https://openalex.org/W2081316994","https://openalex.org/W1987461701","https://openalex.org/W2161105350","https://openalex.org/W2042312542","https://openalex.org/W2151666594","https://openalex.org/W1979218192","https://openalex.org/W1981673830"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}