1. One stage urethroplasty;Yaxley;Aust. N. Z. J. Surg.,1967
2. Witten, D. M., Myers, G. H. and Utz, D. C. (eds). (1977). The normal urogram. In Emmett's Clinical Urography. Fourth edition. Volume I. Chapter 8, pp. 481-564. Philadelphia: Saunders.
3. Residual carcinoma in situ of contralateral testis after chemotherapy;Dieckmann;Lancet,1988
4. Bilateraler Hodentumor nach Interval) von 20 Jahren;Dieckmann;Med. Welt.,1988
5. Carcinoma in situ of the testis: possible origin from gonocytes and precursor of all types of germ cell tumours except spermatocytoma;Skakkebaek;Int. J. Androl.,1987