Postgrad Med J. 1984 Jan;60(699):39-41. doi: 10.1136/pgmj.60.699.39.
Postgraduate medical journal
J A Muir Gray
PMID: 6694945 PMCID: PMC2417760 DOI: 10.1136/pgmj.60.699.39 Free PMC Article
[No abstract available.]