共 22 条
- [1] *AM COLL OBST GYN, 1982, MAT FET MED GUID VAG
- [2] *AM COLL OBST GYN, 1988, MAT FET MED GUID VAG
- [3] *AM COLL OBST GYN, 1995, VAG DEL PREV CES BIR
- [5] *CES CHILDB REP CO, 1981, GABA
- [6] Clarke S C, 1996, Stat Bull Metrop Insur Co, V77, P28
- [7] *DHHS, 1991, DHHS PUBL PHS
- [8] GABAY M, 1994, UNNECESSARY CESAREAN
- [9] Graves E.J., 1995, VITAL HLTH STAT, V13
- [10] GREGORY KD, 1994, OBSTET GYNECOL, V84, P574