title: [Gerontology before and after 1950: a preliminary evaluation].
mesh_terms: D000220:Adaptation, Biological; D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D002470:Cell Survival; D002648:Child; D002675:Child, Preschool; D004702:Endocrine Glands / Q000502:physiology; D005260:Female; D005853:Geriatrics; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008660:Metabolism; D008875:Middle Aged; D009424:Nervous System Physiological Phenomena; D051381:Rats
vernacular_title: La gérontologie avant et après 1950: un premier bilan.