1. Abelev, G. I.: Production of embryonal serum ?-globulin by hepatomas-review of experimental and clinical data. Cancer Res.28, 1344?1350 (1968)
2. Abell, M. R., Holtz, F.: Testicular neoplasms in infants and children. I. Tumors of germ cell origin. Cancer (Philad.)16, 965?981 (1963)
3. Agarwal, S., Chouhan, S., Pratap, V.: Orchioblastoma (adenocarcinoma of the infant testis) ?Review of literature and report of four cases. Indian J. Cancer4, 246?253 (1967)
4. Albrechtsen, R., Klee, J. G., Møller, J. E.: Primary intracranial germ cell tumours including five cases of endodermal sinus tumor. Acta path. microbiol. scand., Sect. A80, Suppl.233, 32?38 (1972)
5. Bachmann, K. D., von Grawert, H.: Tumoren des Hodens im Kindesalter. Mschr. Kinder-heilk.120, 40?46 (1972)