Sudhir Kumar. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Asia/ethnologyEthnic Groups/statistics & numerical dataHumansRandomized Controlled Trials as Topic/statistics & numerical dataRetrospective StudiesUnited Kingdom/epidemiology
Year: 2003 PMID: 12920004 PMCID: PMC1126806 DOI: 10.1136/bmj.327.7411.394
Source DB: PubMed Journal: BMJ ISSN: 0959-8138