{"id":"https://openalex.org/W3011586205","doi":null,"title":"Sampling and Sample Size in Clinical Research - A Scientific and Ethical Imperative.","display_name":"Sampling and Sample Size in Clinical Research - A Scientific and Ethical Imperative.","publication_year":2020,"publication_date":"2020-03-01","ids":{"openalex":"https://openalex.org/W3011586205","mag":"3011586205","pmid":"https://pubmed.ncbi.nlm.nih.gov/32138475"},"language":"en","primary_location":{"id":"pmid:32138475","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32138475","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":"The Journal of the Association of Physicians of India","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025683448","display_name":"N J Gogtay","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I193353881","display_name":"King Edward Memorial Hospital and Seth G.S. Medical College","ror":"https://ror.org/03vcw1x21","country_code":"IN","type":"education","lineage":["https://openalex.org/I193353881"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gogtay Nj","raw_affiliation_strings":["Department of Clinical Pharmacology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Pharmacology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra","institution_ids":["https://openalex.org/I193353881"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027494345","display_name":"Thatte Um","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I193353881","display_name":"King Edward Memorial Hospital and Seth G.S. Medical College","ror":"https://ror.org/03vcw1x21","country_code":"IN","type":"education","lineage":["https://openalex.org/I193353881"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Thatte Um","raw_affiliation_strings":["Department of Clinical Pharmacology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Pharmacology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra","institution_ids":["https://openalex.org/I193353881"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I193353881"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"68","issue":"3","first_page":"11","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10582","display_name":"Ethics in Clinical Research","score":0.3905999958515167,"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/T10582","display_name":"Ethics in Clinical Research","score":0.3905999958515167,"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/T14374","display_name":"Statistical Methods in Epidemiology","score":0.32499998807907104,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.25929999351501465,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sampling","display_name":"sampling","score":0.8949999809265137},{"id":"https://openalex.org/keywords/sample-size-calculation","display_name":"sample size determination","score":0.8840000033378601},{"id":"https://openalex.org/keywords/clinical-research","display_name":"clinical research","score":0.8289999961853027},{"id":"https://openalex.org/keywords/research-ethics","display_name":"research ethics","score":0.8999999761581421},{"id":"https://openalex.org/keywords/statistical-power","display_name":"statistical power","score":0.593999981880188}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9002506732940674},{"id":"https://openalex.org/C129848803","wikidata":"https://www.wikidata.org/wiki/Q2564360","display_name":"Sample size determination","level":2,"score":0.656033992767334},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.6246289610862732},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.4765121042728424},{"id":"https://openalex.org/C19527891","wikidata":"https://www.wikidata.org/wiki/Q1120908","display_name":"Medical physics","level":1,"score":0.39014723896980286},{"id":"https://openalex.org/C512399662","wikidata":"https://www.wikidata.org/wiki/Q3505712","display_name":"Family medicine","level":1,"score":0.3271000385284424},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2550588846206665},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.07306835055351257},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D018401","descriptor_name":"Sample Size","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:32138475","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32138475","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":"The Journal of the Association of Physicians of India","raw_type":"Journal Article"},{"id":"mag:3011586205","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32138475","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1982070737","https://openalex.org/W2306702649","https://openalex.org/W2320350515","https://openalex.org/W2468671232","https://openalex.org/W2599076725","https://openalex.org/W2927713444","https://openalex.org/W2967017778","https://openalex.org/W2968015619","https://openalex.org/W3011865976"],"related_works":["https://openalex.org/W2462271585","https://openalex.org/W4236171227","https://openalex.org/W2036767052","https://openalex.org/W2009279906","https://openalex.org/W2269717870","https://openalex.org/W2409760633","https://openalex.org/W1909014913","https://openalex.org/W2474021484","https://openalex.org/W2401127829","https://openalex.org/W2417997249"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2020-03-23T00:00:00"}