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Ludlam GB, Karim KA.Ludlam GB, et al.Br Med J. 1975 May 24;2(5968):445. doi: 10.1136/bmj.2.5968.445-b.Br Med J. 1975.PMID: 1125577Free PMC article.No abstract available.
Fleck DG, Ludlam GB.Fleck DG, et al. Among authors: ludlam gb.Br Med J. 1965 Nov 20;2(5472):1239-40. doi: 10.1136/bmj.2.5472.1239.Br Med J. 1965.PMID: 5849138Free PMC article.No abstract available.