Geriatric medicine.
D000368:Aged; D000369:Aged, 80 and over; D003406:Credentialing / Q000592:standards*; D004503:Education, Medical, Graduate / Q000592:standards*; D005853:Geriatrics / Q000193:education* / Q000592:standards; D006801:Humans; D007591:Joint Commission on Accreditation of Healthcare Organizations; D008504:Medical Staff Privileges; D012955:Societies, Medical; D014481:United States