共 25 条
[3]
BUSCEMA J, 1988, OBSTET GYNECOL, V71, P601
[8]
HIETANEN S, IN PRESS AM J OBSTET
[9]
IKENBERG H, 1990, OBSTET GYNECOL, V76, P432
[10]
KAUPPINEN J, 1994, IN PRESS J MICROBIOL