C J Stewart, D P Embleton, D F Van Zwanenberg. Show Affiliations »
Abstract
Entities: Species
Year: 1961 PMID: 20789032 PMCID: PMC1952731 DOI: 10.1136/bmj.1.5218.7
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447