共 50 条
- [17] A PHYSICIAN AND AN ECONOMIST LOOK AT OLD-AGE AND SURVIVORS INSURANCE JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1953, 153 (10): : 921 - 924
- [18] DESCRIPTION OF A CONTROVERSY - FINANCING OLD-AGE AND SURVIVORS INSURANCE JOURNAL OF PUBLIC LAW, 1957, 6 (01): : 35 - 99