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Allen BW, Mitchison DA, Chan YC, Yew WW, Allan WG, Girling DJ.Allen BW, et al. Among authors: girling dj.Tubercle. 1983 Jun;64(2):111-8. doi: 10.1016/0041-3879(83)90035-1.Tubercle. 1983.PMID: 6193623
Aquinas M, Allan WG, Horsfall PA, Jenkins PK, Hung-Yan W, Girling D, Tall R, Fox W.Aquinas M, et al.Br Med J. 1972 Mar 25;1(5803):765-71. doi: 10.1136/bmj.1.5803.765.Br Med J. 1972.PMID: 4259217Free PMC article.Clinical Trial.