共 15 条
[3]
CHOW AW, 1985, REV INFECT DIS, V7, P287
[6]
GIBBS RS, 1982, OBSTET GYNECOL, V60, P671
[8]
MORALES WJ, 1987, OBSTET GYNECOL, V70, P183
[10]
OGITA S, 1984, LANCET, V1, P1330