[Gerontologists and public health workers].
D000368:Aged; D005260:Female; D005853:Geriatrics / Q000266:history*; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008017:Life Expectancy; D008297:Male; D010686:Philosophy, Medical; D011634:Public Health / Q000266:history*
Gerontólogos y sanitarioś.