tamoxifen
Overexpression of c-erbB2, with or without gene amplification, is        frequently found in breast cancer, and a body of evidence suggests it is       implicated in the development of resistance to the antiestrogen tamoxifen.
Overexpression of c-erbB2, with or without gene amplification, is        frequently found in breast cancer, and a body of evidence suggests it is       implicated in the development of resistance to the  @OBJECT$  @PREDICAT$  @SUBJECT$ .