TY - BOOK AU - Brehm,Ralph AU - Steger,Klaus AU - Beck,F.F. ED - SpringerLink (Online service) TI - Regulation of Sertoli Cell and Germ Cell Differentation SN - 9783540294467 (electronic bk.) U1 - 571.845 22 PY - 2005/// CY - Berlin, Heidelberg PB - Springer-Verlag Berlin Heidelberg KW - Sertoli cells KW - Germ cells KW - Spermatogenesis KW - Infertility, Male KW - Biomedicine KW - Biomedicine general ER -