共 13 条
[1]
CHERUKURI R, 1988, OBSTET GYNECOL, V72, P147
[2]
Christmas J. T., 1993, American Journal of Obstetrics and Gynecology, V168, P371
[3]
CHRISTMAS JT, 1992, OBSTET GYNECOL, V80, P750
[4]
Gold M S, 1985, NIDA Res Monogr, V61, P130
[6]
LITTLE BB, 1989, OBSTET GYNECOL, V73, P157
[9]
MCCALLA S, 1992, OBSTET GYNECOL, V79, P641