Postgrad Med J. 1985 May;61(715):375-7. doi: 10.1136/pgmj.61.715.375.
Postgraduate medical journal
I Ramsay
PMID: 4022872 PMCID: PMC2418284 DOI: 10.1136/pgmj.61.715.375 Free PMC Article
[No abstract available.]