[45] U.S. Dept. of Agric., Report 97, 1913.
[46] Folin, Preservatives and Other Chemicals in Foods (Harvard University Press, 1914), p. 32.
[47] Folin, op. cit., p. 42.
[48] See U.S. Dept. of Agric., Report 94, 1911.
[49] Sawyer, Jour. Amer. Med. Assoc., LXIII (1914), 1537.
[50] Eng. News, LXX (1913), 322.
[51] Morse, Report of State Board of Health of Mass., 1899, p. 761.
[52] R. H. Creel, Reprint from Public Health Reports, No. 72, Washington, 1912.
[53] Health Bull. No. 76, Pennsylvania State Department of Health, December, 1915.
[54] Amer. Jour. Public Health, II (1912), 321.