[PROBLEMS OF OLD AGE].
D000293:Adolescent; D002648:Child; D005853:Geriatrics; D006801:Humans; D007223:Infant; D008017:Life Expectancy; D008511:Medicine; D011153:Population; D012046:Rehabilitation
ADOLESCENCE; CHILD; GERIATRICS; INFANT; LIFE EXPECTANCY; POPULATION; REHABILITATION