| Literature DB >> 3103847 |
N R Cary, D Sethi, E A Brown, C C Erhardt, D F Woodrow, P E Gower.
Abstract
Entities:
Mesh:
Substances:
Year: 1987 PMID: 3103847 PMCID: PMC1245681 DOI: 10.1136/bmj.294.6572.644-e
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623