共 9 条
[1]
DANFORTH DN, 1982, OBSTET GYNECOL, P655
[2]
ETINER FM, 1976, SAFE ALTERNATIVES CH, P37
[3]
HUGHEY MJ, 1978, OBSTET GYNECOL, V51, P643
[4]
KITSTINGER S, 1981, SOME WOMENS EXPERIEN
[6]
Rockner G, 1988, Scand J Caring Sci, V2, P19
[7]
Thacker S B, 1983, Obstet Gynecol Surv, V38, P322, DOI 10.1097/00006254-198306000-00003