共 25 条
[4]
GEORGSSON OS, 2004, ACTA OBSTET GYNECOL, V83, P634
[6]
Green JM, 2004, HEALTH TECHNOL ASSES, V8, P1
[7]
JORGENSEN FS, 1995, DAN MED BULL, V42, P100
[8]
Kaiser Amy S, 2002, J Obstet Gynaecol, V22, P246