共 17 条
- [1] ASSALI NS, 1972, DHEW NIH73361 US NAT, P121
- [2] Berkowitz R L, 1980, Obstet Gynecol Surv, V35, P191, DOI 10.1097/00006254-198004000-00001
- [4] CHEZ RA, 1978, FETAL NEWBORN CARDIO, V2, P1
- [8] JOELSSON I, 1975, INT J GYNAECOL OBSTE, V13, P17
- [9] KELLY J V, 1977, Clinical Obstetrics and Gynecology, V20, P395, DOI 10.1097/00003081-197706000-00019
- [10] LONGO LD, 1978, FETAL NEWBORN CARDIO, V2, P259