Combination chemoprevention of HER2/neu-induced breast cancer using a cyclooxygenase-2 inhibitor and a retinoid X receptor-selective retinoid. - Brown PH; Subbaramaiah K; Salmon AP; Baker R; Newman RA; Yang P; Zhou XK; Bissonnette RP; Dannenberg AJ; Howe LR (Cancer prevention research (Philadelphia, Pa.), 2008)