共 50 条
- [36] OLD-AGE AND OLD-AGE SECURITY AS AN ECONOMIC-PROBLEM ZEITSCHRIFT FUR GERONTOLOGIE, 1980, 13 (03): : 217 - 221
- [38] DENTAL CONDITION OF OLD PEOPLE (EXAMINATIONS IN OLD-AGE HOMES) AND ITS SOCIAL HYGIENIC ASPECTS OFFENTLICHE GESUNDHEITSWESEN, 1974, 36 (11): : 824 - 827