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Girdwood RH.Girdwood RH.Br Med J (Clin Res Ed). 1987 Dec 19-26;295(6613):1668-9. doi: 10.1136/bmj.295.6613.1668.Br Med J (Clin Res Ed). 1987.PMID: 2446698Free PMC article.No abstract available.
Girdwood RH.Girdwood RH.Br Med J (Clin Res Ed). 1984 Oct 27;289(6452):1120-2. doi: 10.1136/bmj.289.6452.1120.Br Med J (Clin Res Ed). 1984.PMID: 20742334Free PMC article.No abstract available.