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[160] Loc. cit.
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[162] Turnbull, H. M., Quart. Journ. Med., Oxford, 1913–14, viii. 201.
[163] Hansen, K. M., Ugsek. f. Laeger, Copenhagen, 1919, lxxxi. 1281.
[164] Macnaughton, F. G., Brit. Med. Journ., 1922, ii. 14.