Effects of human growth hormone in men over 60 years old. - Rudman,D.; Feller,A.G.; Nagraj,H.S.; Gergans,G.A.; Lalitha,P.Y.; Goldberg,A.F.; Schlenker,R.A.; Cohn,L.; Rudman,I.W.; Mattson,D.E. (New Engl J Med, 1990)