K J McKenzie, N S Crowcroft. Show Affiliations »
Abstract
Mesh: See more » ClassificationContinental Population Groups/classificationCultureEthnic Groups/classificationHumans
Year: 1994 PMID: 8086864 PMCID: PMC2540908 DOI: 10.1136/bmj.309.6950.286
Source DB: PubMed Journal: BMJ ISSN: 0959-8138