共 11 条
[3]
CRUICKSHANK R, 1975, MEDICAL MICROBIOLOGY, P894
[6]
HARTWICK HJ, 1969, OBSTET GYNEC, V33, P256
[7]
KITZMILLER JL, 1973, OBSTET GYNECOL, V41, P38
[9]
LARSEN B, 1974, OBSTET GYNECOL, V44, P219