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2. Strauss, M. B., & Castle, W. B., Ibid., 1932, ii, 111. 3.V Mackay, H. M. M., Med. Res. Counc., Sp. Rep. Series, Lond., 1931, 157.
3. Castle, W. B., & Rhoads, C. P., Lancet, London, 1932, i, 1198.
4. Parsons, L. G., J. Am. Med. Ass., Chicago, 1931, XCVII, 973.
5. Gladstone, S. A., Am. J. Dis. Child., Chicago, 1932, XLIV, 81.