P J Fouts, O M Helmer, L G Zerfas. Show Affiliations »
Abstract
Entities: Species
Year: 1934 PMID: 20778033 PMCID: PMC2444129 DOI: 10.1136/bmj.1.3812.141
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447