| Literature DB >> 3092908 |
S M Lee, C J O'Brien, R Williams, S Whitaker, S R Gould.
Abstract
Entities:
Mesh:
Substances:
Year: 1986 PMID: 3092908 PMCID: PMC1341314 DOI: 10.1136/bmj.293.6546.540
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623