Aubert. Zeitschr. f. rat. Med., Zurich, 1852, 2 Reihe, ii, p. 225.
2.
Buchheim. Arch. f. phys. Heilk., Stuttg., 1857, xvi, p. 234.
3.
Frankl, T. Arch. f. exp.Path. u. Pharm., Leipz., 1907, lvii, p. 386.
4.
Hertz, A. F. Med. Sect., Proc. Roy. Soc. Med., February, 1908, i, p. 119.
5.
Hertz,A. F.; Cook,F.; Cox,A. N.; Gardiner,H.; Schlesinger,E.G.; Todd,A. N. “The Passage of Food along the Human Alimentary Canal,” Guy's Hosp. Reports, 1907, lxi, p. 389.
6.
MacCallum,J. B.Amer. Journ. Phys., Boston, 1903, x, p. 101, and 1904, x, p. 259.
7.
Magnus,R.Pflüger's Archiv. f. gesammt. Phys., 1908, cxxii, p. 251.
8.
Meltzer and Auer. Amer. Journ. Phys., 1905, xiv.
9.
Otto,E.Arch. f. exp. Path. u. Pharm., 1905, Iii, p. 370.
10.
Wagner,H.Arch. f. phys. Heilk., 1854, xiii, p. 93.