1. Abell, M. R., Holtz, F.: Testicular neoplasms in infants and children. I. Tumors of germ cell origin. Cancer (Philad.) 16, 965 (1963).
2. Abramjan, A.: Tumeurs du testicule. XIII. Congrès de la Société internationale d’Urologie, London 1964. Reports Vol. I, p. 69. Edinburgh and London: E. S. Livingstone 1964.
3. Albertini, A. V.: Histologische Geschwulstdiagnostik. Stuttgart: Thieme 1955.
4. Allen, B., Skaist, L.: Testicular tumors in infants and children: a case report. J. Urol. (Baltimore) 86, 795 (1961).
5. Anderson, R. E., Huston, C.: Tumors of the testicle in childhood. Amer. J. Surg. 95, 445 (1958).