| Literature DB >> 6409213 |
D P Worth, A M Davison, T G Roberts, A M Lewins.
Abstract
Entities:
Mesh:
Substances:
Year: 1983 PMID: 6409213 PMCID: PMC1548523 DOI: 10.1136/bmj.286.6383.2023
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623