Br Med J (Clin Res Ed). 1985 Aug 03;291(6491):295-6. doi: 10.1136/bmj.291.6491.295.
British medical journal (Clinical research ed.)
C M Chapman
PMID: 3926162 PMCID: PMC1416626 DOI: 10.1136/bmj.291.6491.295 Free PMC Article
[No abstract available.]