REFERENCES
- Backman, H. 1969. Metastases of malignant melanoma in the gastrointestinal tract. Geriatrics 24, 8, 112.
- Bartsch, W. M. 1961. Primäre maligne Melanome des Ösophagus. Bruns’ Beitr. klin. Chr. 202, 427.
- Callender, G. R. 1931. Malignant melanotic tumours of the eye: A study of histologic types in 111 cases. Trans. Amer. Acad. Ophtal. Otolaryng. 36, 131–142.
- Chandler, A. B. & Jones, G. F. 1951. Malignant melanoma of the gastrointestinal tract. Amer. Surg. 17, 719.
- Das Gupta, T. K. & Brasfield, R. D. 1964. Metastatic melanoma of the gastrointestinal tract. Arch. Surg. 88, 969.
- Kander, H. S. 1938. Multiple intussusceptions caused by secondary melanomata. Lancet 2, 139.
- Karparov, M. & Koyumdjiev, I. 1965. The roentgen image of metastatic melanoma in the upper gastrointestinal tract. Radiol, diagn. (Berl.) 6, 761.
- Nyquist, A. & Tillander, H. 1969. Malignant melanoma of the anal canal. Acta chir. scand. 135, 730–732.
- Sloan, L. E. & Wharton, G. K. 1954. Cancer of the pancreas. Amer. J. Gastroent. 21, 441–458.
- Vetner, M. O. 1961. Primaert malignant melanom i tyndtarmen. Nord. Med. 66, 1035.
- Willis, R. A. 1952. The Spread of Tumours in the Human Body. 2nd ed. Butterworth & Co, London.