共 27 条
[1]
ACOG Committee on Obstetric Practice, 2002, Int J Gynaecol Obstet, V77, P67
[2]
[Anonymous], 2001, OBSTET GYNECOL, V98, P525
[3]
[Anonymous], MIGR NETH
[4]
[Anonymous], 2004, Obstet Gynecol
[5]
[Anonymous], STAND OND SOI
[8]
de Vries H, 1999, PATIENT EDUC COUNS, V36, P99