title: Growth hormone, IGF-I, gonadal steroids, and aging.
authors.affiliation: Gerontology Research Center, NIA, Baltimore, MD 21205.
authors.forename: S M
authors.initials: SM
authors.lastname: Harman
authors.forename: M R
authors.initials: MR
authors.lastname: Blackman
mesh_terms: D000375:Aging / Q000187:drug effects / Q000378:metabolism*; D000818:Animals; D013006:Growth Hormone / Q000172:deficiency / Q000502:physiology* / Q000627:therapeutic use; D006801:Humans; D007334:Insulin-Like Growth Factor I / Q000502:physiology*
chemical_list: D007334:Insulin-Like Growth Factor I; D013006:Growth Hormone