[Concepts in gerontological research and gerontological practice in the German Democratic Republic].
D005853:Geriatrics; D005859:Germany, East; D008511:Medicine; D012106:Research; D013038:Specialization
O kontseptsiiakh gerontologicheskikh issledovaniĭ i gerontologicheskoĭ praktiki v Germanskoĭ Demokraticheskoĭ Respublike