Source:
Postgraduate medical journal [Postgrad Med J] 1958 Aug; Vol. 34 (394), pp. 443-5.Publisher: Oxford University Press Country of Publication: England NLM ID: 0234135 Publication Model: Print Cited Medium: Print ISSN: 0032-5473
Source:
Postgraduate medical journal [Postgrad Med J] 1960 Jan; Vol. 36, pp. 45-9.Publisher: Oxford University Press Country of Publication: England NLM ID: 0234135 Publication Model: Print Cited Medium: Print ISSN: 0032-5473