1. Testis cancer incidence—suggestion of a world pattern;Clemmesen;Int. J. Androl.,1981
2. Carcinoma-in-situ of the undescended testis;Skakkebaek;Urol. Clin. N. Amer.,1982
3. Aneuploidy as a marker for carcinoma-in-situ of the testis;Müller;Acta Path. Microbiol. Scand.,1981
4. The fine structure of a possible carcinoma-in-situ in the seminiferous tubules in the testis of four infertile men;Nielsen;Acta Path. Microbiol. Scand.,1974
5. High incidence of undetected neoplasia in maldescended testes;Krabbe;Lancet,1979