1. Adams, Transactions of the Pathological Society of London. Vol. VII. 1857. p. 355.
2. Adams-Fergusson, Transactions etc. Vol. V.
3. Albers, Atlas der patholog. Anat. ErlÄuterungen. Bd. III. S. 617.
4. Bennet, On cancer growths. 1849. p. 122.
5. Bardeleben, Lehrbuch der Chirurgie. 1874. Bd. I. S. 524.