共 50 条
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- [47] MORTALITY IN ARKANSAS AND THE UNITED-STATES - 1950 TO 1970 ARKANSAS AGRICULTURAL EXPERIMENT STATION SPECIAL REPORTS, 1979, (75): : 3 - 46
- [48] SURVEILLANCE OF ABORTIONS IN HOSPITALS IN UNITED-STATES, 1970 HSMHA HEALTH REPORTS, 1971, 86 (05): : 423 - &