1. Journ. Am. Med. Ass., Chicago, 1904, October 15.
2. “Die Lehre von den Geschwulsten,” Bd. xi. S. 665.
3. “Geschwulstlehre,” 1904, S. 14.
4. Loc. cit.
5. “Diseases of the Liver, Pancreas, and Suprarenal Capsules” (Nothnagel's Encyclopedia of Practical Medicine, Eng. trans., 1903), p. 24.