Transplantation of wild-type spermatogonia leads to complete spermatogenesis in testes of cyclic 3′,5′-adenosine monophosphate response element modulator-deficient mice - Wistuba,J.; Schlatt,S.; Cantauw,C.; von Schonfeldt,V.; Nieschlag,E.; Behr,R. (Biol Reprod, 2002)