title: Middle age: an evolving frontier in gerontology.
authors.forename: C E
authors.initials: CE
authors.lastname: Finch
mesh_terms: D000375:Aging / Q000502:physiology*; D000818:Animals; D005260:Female; D005853:Geriatrics; D006801:Humans; D008297:Male; D008875:Middle Aged / Q000502:physiology*