WILLIAM SMITH GREENFIELD, M.D.Lond., F.R.C.P.Lond. and Edin., LL.D.EdinBr Med J 1919; 2 doi: https://doi.org/10.1136/bmj.2.3060.255-b (Published 23 August 1919) Cite this as: Br Med J 1919;2:255
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