{"id":"https://openalex.org/W2373766673","doi":null,"title":"Sample size calculation for Williams design in clinical trials","display_name":"Sample size calculation for Williams design in clinical trials","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2373766673","mag":"2373766673"},"language":"en","primary_location":{"id":"mag:2373766673","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-GLYZ200803019.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2764396500","display_name":"The Chinese Journal of Clinical Pharmacology","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4320800687","host_organization_name":"Chinese Pharmaceutical Association","host_organization_lineage":["https://openalex.org/P4320800687"],"host_organization_lineage_names":["Chinese Pharmaceutical Association"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Chinese Journal of Clinical Pharmacology","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5101554646","display_name":"Shengxian Wu","orcid":"https://orcid.org/0000-0002-6034-9728","observed_orcids":["https://orcid.org/0000-0002-6034-9728"]},"institutions":[{"id":"https://openalex.org/I4210121586","display_name":"Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine","ror":"https://ror.org/02yacz525","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121586"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shengxian Wu","raw_affiliation_strings":["Center for Clinical Research,Dongzhimen Hospital of Beijing University of Traditional Chinese Medicine and Pharmacology,Beijing 100700,China)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Clinical Research,Dongzhimen Hospital of Beijing University of Traditional Chinese Medicine and Pharmacology,Beijing 100700,China)","institution_ids":["https://openalex.org/I4210121586"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101554646"],"corresponding_institution_ids":["https://openalex.org/I4210121586"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.29429234,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.989300012588501,"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"}},"topics":[{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.989300012588501,"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/T11798","display_name":"Optimal Experimental Design Methods","score":0.009200000204145908,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12547","display_name":"Pharmaceutical studies and practices","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/sample-size-calculation","display_name":"sample size determination","score":0.9229999780654907},{"id":"https://openalex.org/keywords/crossover-design","display_name":"crossover design","score":0.6899999976158142},{"id":"https://openalex.org/keywords/clinical-trials","display_name":"clinical trials","score":0.7639999985694885},{"id":"https://openalex.org/keywords/bioequivalence","display_name":"bioequivalence","score":0.7639999985694885}],"concepts":[{"id":"https://openalex.org/C122507166","wikidata":"https://www.wikidata.org/wiki/Q628906","display_name":"Crossover","level":2,"score":0.8821356296539307},{"id":"https://openalex.org/C129848803","wikidata":"https://www.wikidata.org/wiki/Q2564360","display_name":"Sample size determination","level":2,"score":0.8628181219100952},{"id":"https://openalex.org/C87813604","wikidata":"https://www.wikidata.org/wiki/Q1242899","display_name":"Crossover study","level":4,"score":0.7481823563575745},{"id":"https://openalex.org/C2779318504","wikidata":"https://www.wikidata.org/wiki/Q1438035","display_name":"Research design","level":2,"score":0.5572535991668701},{"id":"https://openalex.org/C148482608","wikidata":"https://www.wikidata.org/wiki/Q17007018","display_name":"Clinical study design","level":3,"score":0.5467055439949036},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4603239595890045},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.45091280341148376},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.4499288499355316},{"id":"https://openalex.org/C535046627","wikidata":"https://www.wikidata.org/wiki/Q30612","display_name":"Clinical trial","level":2,"score":0.43725061416625977},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2982867360115051},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.22368991374969482},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1735210120677948},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.09147006273269653},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.07148334383964539},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06551536917686462},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C27081682","wikidata":"https://www.wikidata.org/wiki/Q269829","display_name":"Placebo","level":3,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2373766673","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-GLYZ200803019.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2764396500","display_name":"The Chinese Journal of Clinical Pharmacology","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4320800687","host_organization_name":"Chinese Pharmaceutical Association","host_organization_lineage":["https://openalex.org/P4320800687"],"host_organization_lineage_names":["Chinese Pharmaceutical Association"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Chinese Journal of Clinical Pharmacology","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3033600524","https://openalex.org/W4242178807","https://openalex.org/W2517456422","https://openalex.org/W2411549660","https://openalex.org/W2171097375","https://openalex.org/W2052058064","https://openalex.org/W4256254165","https://openalex.org/W6927327240","https://openalex.org/W2773096811","https://openalex.org/W2597509252"],"abstract_inverted_index":{"Crossover":[0],"design":[1,16,46],"has":[2,17],"been":[3,18],"commonly":[4],"used":[5,34],"in":[6],"clinical":[7],"trials,the":[8],"method":[9,39],"of":[10,40],"sample":[11,41],"size":[12,42],"calculation":[13,43],"for":[14,44],"crossover":[15,24],"well":[19],"known.In":[20],"resent":[21],"years,the":[22],"multiple":[23],"design,which":[25],"is":[26],"constructed":[27],"by":[28,35],"Williams,so":[29],"called":[30],"Williams":[31,45],"design,is":[32],"also":[33],"researchers.In":[36],"this":[37],"paper,the":[38],"and":[47],"practical":[48],"samples":[49],"are":[50],"introduced.":[51]},"counts_by_year":[{"year":2018,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
