Free Fatty Acids Block Growth Hormone (GH) Releasing Hormone-Stimulated GH Secretion in Man Directly at the Pituitary - Casanueva, F; Villanueva, L; Dieguez, C; Diaz, Y; Cabranes, J; Szoke, B; Scanlon, M; Schally, A V; Fernandez-Cruz, A (J Clin Endocrinol Metab, 1987)