共 16 条
- [1] ALEGRE A, 1984, J REPROD MED, V29, P334
- [2] COHEN EN, 1971, ANESTHESIOLOGY, V35, P343
- [3] SUMMARY STATISTICS ON GRADUATE MEDICAL-EDUCATION IN THE UNITED-STATES [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1984, 252 (12): : 1545 - 1553
- [4] NAEYE RL, 1982, PEDIATRICS, V69, P724
- [7] POMERANCE JJ, 1974, OBSTET GYNECOL, V44, P383
- [8] SAUREL MJ, 1983, LANCET, V1, P475
- [10] SCHWARTZ RW, 1985, OBSTET GYNECOL, V66, P672