Percy Harry White, M.B., C.M.Edin., M.R.C.S.Eng., L.D.S.EngBr Med J 1893; 2 doi: http://dx.doi.org/10.1136/bmj.2.1704.496 (Published 26 August 1893) Cite this as: Br Med J 1893;2:496
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