1. Abel, W.: Statistisches ums Krebsproblem. Z. Krebsforsch. 56, 36 (1948).
2. Abramson, D. J.: Multiple polyposis in children: a review and report of a case in a 6-year old child, who had associated nephrosis and asthma. Surgery 61, 288 (1967).
3. Achord, J. L., Proctor, H. D.: Malignant degeneration and metastases in Peutz-Jeghers syndrome. Arch, intern. Med. 111, 498 (1963).
4. Alaghemand, A.: Carcinoma of the colon and rectum in children. Amer. Surg. 28, 784 (1962a).
5. Alaghemand, A.: Gastric carcinoma in a child. Amer. J. Dis. Child. 103, 833 (1962b).