共 299 条
[3]
*AM COLL OBST GYN, 2004, ACOG PRACT B, V18, P674
[4]
American College of Obstetricians and Gynecologists, 2007, Obstet Gynecol, V110, P1493
[5]
American College of Obstetricians and Gynecologists, 2008, OBSTET GYNECOL, V415, P727
[6]
[Anonymous], 2011, MED LETT DRUGS THER, V53, P101
[7]
[Anonymous], 1975, JAMA-J AM MED ASSOC, V231, P718
[8]
[Anonymous], 2011, Obstet Gynecol, V118, P184, DOI 10.1097/AOG.0b013e318227f05e
[9]
[Anonymous], 2009, Obstet Gynecol, V114, P1428, DOI 10.1097/AOG.0b013e3181c6f922
[10]
[Anonymous], 2004, MED EL CRIT CONTR US, VThird