共 59 条
[2]
Bestor TH, 1993, J NIH RES, V5, P57
[5]
BOUTLER CA, 1991, DEVELOPMENT, V111, P357
[7]
CONLEY ME, 1992, ANNU REV IMMUNOL, V10, P215
[9]
CUNNINGHAM TG, 1989, WILLIAMS OBSTETRICS