Br Med J (Clin Res Ed). 1983 Jun 11;286(6381):1871-2. doi: 10.1136/bmj.286.6381.1871.
British medical journal (Clinical research ed.)
F E Hatfield
PMID: 6407611 PMCID: PMC1547742 DOI: 10.1136/bmj.286.6381.1871 Free PMC Article
[No abstract available.]