title: [Psychological problems of aging people].
mesh_terms: D000368:Aged; D000375:Aging; D005190:Family; D005853:Geriatrics; D006801:Humans; D007858:Learning; D007899:Leisure Activities; D009790:Occupations; D011584:Psychology; D011930:Reaction Time; D012922:Social Change; D012959:Socioeconomic Factors; D014937:Work
vernacular_title: Psychologische Probleme des alternden Menschen.