DES versus Tamoxifen in Advanced Breast Cancer

L. V.A.M. Beex, G. F.F.M. Pieters, A. G.H. Smals, A. J.M. Koenders, Th J. Benraad, P. W.C. Kloppenborg, Christian Jacquot, Rosalinda Graterol, Jean Bariety, Loïc Capron, Jean Noël Fiessinger, Ian Tannock, Norman Boyd, Roy Clark, Merrill I. Feldman, James N. Ingle