共 24 条
[1]
BACKE B, 1992, Scandinavian Journal of Primary Health Care, V10, P179, DOI 10.3109/02813439209014058
[4]
GAMBRELL RD, 1980, OBSTET GYNECOL, V55, P732
[7]
GAMBRELL RD, 1992, AM FAM PHYSICIAN, V46, pS87
[8]
GORSKY RD, 1994, OBSTET GYNECOL, V83, P161