[270] Deut. Arch. Klin. Med., 1920 (vol. cxxxiv: pp. 174–84).
[271] Z. physiol. Chem. (vol. lxxvii: p. 259).
[272] Bull. Bur. of Chem. (no. 157).
[273] Pharm. J., Mar. 31, 1900, through Brit. Med. J., Epit., 1900 (vol. i: p. 35).
[274] Arch. f. exper. Path. u. Pharmakol., 1895 (vol. xxxv: p. 449).
[275] Ibid., 1895 (vol. xxxvi: p. 45). Ibid., 1896 (vol. xxxvii: p. 385).
[276] Arch. de physiol. norm. et path., 1868 (vol. i: p. 179).
[277] Inaug. Diss., Königsberg, 1882.
[278] Arch. f. exper. Path. u. Pharmakol., 1898 (vol. xli: p. 375).
[279] Jour. Am. Med. Assoc., 1917 (vol. lxviii: pp. 1805–07).