共 8 条
- [1] BURROW G, 1982, MED COMPLICATIONS PR, P426
- [2] DANFORTH D, 1982, OBSTET GYNECOL, P758
- [5] OXORN H, 1986, HUMAN LABOR BIRTH, P573
- [6] Price T M, 1985, Obstet Gynecol Surv, V40, P462, DOI 10.1097/00006254-198507000-00007
- [7] RESNIK R, 1987, CONT OB GYN JAN
- [8] SPERRY K, 1986, JAMA-J AM MED ASSOC, V225, P2183