Effect of dehydroepiandrosterone and the antiestrogen EM-800 on growth of human ZR-75-1 breast cancer xenografts. - Couillard, Steeve; Labrie, Claude; Bélanger, Alain; Candas, Bernard; Pouliot, Frédéric; Labrie, Fernand; Couillard, S; Labrie, C; Bélanger, A; Candas, B; Pouliot, F; Labrie, F (JNCI: Journal of the National Cancer Institute, 1998)