Switching off HER-2/neu in a tetracycline controlled mouse tumor model leads to apoptosis and tumor-size dependent remission. - Schiffer,I.B.; Gebhard,S.; Heimerdinger,C.K.; Heling,A.; Hast,J.; Wollscheid,U.; Seliger,B.; Tanner,B.; Gilbert,S.; Beckers,T.; Baasner,S.; Brenner,W.; et al. (Cancer Res, 2003)