M R Johnson. Show Affiliations »
Abstract
Mesh: See more » Continental Population Groups/classificationCultureDemographyEthnic Groups/classificationHumans
Year: 1996 PMID: 8761247 PMCID: PMC2351800 DOI: 10.1136/bmj.313.7054.426
Source DB: PubMed Journal: BMJ ISSN: 0959-8138