Br Med J (Clin Res Ed). 1987 Sep 26;295(6601):772-3. doi: 10.1136/bmj.295.6601.772.
British medical journal (Clinical research ed.)
M Simms
PMID: 3119031 PMCID: PMC1247784 DOI: 10.1136/bmj.295.6601.772 Free PMC Article
[No abstract available.]