共 8 条
- [2] LEVENSON SM, 1977, MANUAL SURGICAL INTE, P151
- [3] WHAT ELSE IS NEW - HISTORICAL EXCURSION [J]. AMERICAN JOURNAL OF EPIDEMIOLOGY, 1977, 105 (03) : 169 - 179
- [4] NORTHEY D, 1974, SURG GYNECOL OBSTET, V139, P321
- [6] ROTHMAN KJ, 1979, NIH791649 US DEP HEW
- [8] 1972, OUTLINE SURVEILLANCE