1. Stewart, D., Arch. Dis. Child., Lond., 1928, III, 96.
2. Caffey, Maclean and Sullivan, J. Am. Med. Assv Chic., 1927, LXXXVIII, 3. Linder and Carmichael, Biochem. J., Camb., 1928., XXII, 46.
3. Halverson and Bergeim, Research Publications, R, Soc. Med, 5. Leicher, ibid,