Sex steroid control of gonadotropin secretion in the human male. I. Effects of testosterone administration in normal and gonadotropin-releasing hormone-deficient men. - Finkelstein,J.S.; Whitcomb,R.W.; O’Dea,L.S.; Longcope,C.; Schoenfeld,D.A.; Crowley,W.F Jr. (J Clin Endocrinol Metab, 1991)