Wollina, U.; Schreiber, G.; Zollmann, C.; Hipler, C.; Günther, E. (1989). «Lectin-binding sites in normal human testis». Andrologia21 (2): 127-130. PMID2469362. doi:10.1111/j.1439-0272.1989.tb02380.x.
Krege, S.; Beyer, J.; Souchon, R.; Albers, P.; Albrecht, W.; Algaba, F.; Bamberg, Michael; Bodrogi, István; Bokemeyer, Carsten (2008). «European consensus conference on diagnosis and treatment of germ cell cancer: a report of the second meeting of the European Germ Cell Cancer Consensus group (EGCCCG): part I». European Urology53 (3): 478-496. PMID18191324. doi:10.1016/j.eururo.2007.12.024.
Wollina, U.; Schreiber, G.; Zollmann, C.; Hipler, C.; Günther, E. (1989). «Lectin-binding sites in normal human testis». Andrologia21 (2): 127-130. PMID2469362. doi:10.1111/j.1439-0272.1989.tb02380.x.
Krege, S.; Beyer, J.; Souchon, R.; Albers, P.; Albrecht, W.; Algaba, F.; Bamberg, Michael; Bodrogi, István; Bokemeyer, Carsten (2008). «European consensus conference on diagnosis and treatment of germ cell cancer: a report of the second meeting of the European Germ Cell Cancer Consensus group (EGCCCG): part I». European Urology53 (3): 478-496. PMID18191324. doi:10.1016/j.eururo.2007.12.024.