共 5 条
- [1] GLUCKMAN JL, 1993, LARYNGOSCOPE, V103, P570
- [2] HONGCHANG K, 1992, AM J OBSTET GYNECOL, V166, P880
- [3] Kirbach D, 1994, EUR J ULTRASOUND, V1, P85
- [4] KORVES B, 1995, J OTOLARYNGOL, V24, P265
- [5] LEE A, 1994, AM J OBSTET GYNECOL, V170, P312