Santoro NF, Col NF, Eckman MH, Wong JB, Pauker SG, Cauley JA, Zmuda J, Crawford S, Johannes CB, Rossouw JE, Merz CN. Therapeutic controversy: Hormone replacement therapy--where are we going? J Clin Endocrinol Metab. 1999 Jun; 84(6):1798-812.