共 14 条
[2]
CLARK SL, 1985, OBSTET GYNECOL, V66, P89
[3]
Committee on Obstetric Practice, 2012, Obstet Gynecol, V120, P207, DOI 10.1097/AOG.0b013e318262e340
[5]
Farooq F, 2016, JCPSP-J COLL PHYSICI, V26, pS121