共 73 条
[51]
PRUETT KM, 1988, OBSTET GYNECOL, V72, P163
[54]
ROSEN MG, 1991, OBSTET GYNECOL, V77, P465
[56]
Sachs BP, 1999, NEW ENGL J MED, V340, P54, DOI 10.1056/NEJM199901073400112
[57]
SCOTT JR, 1991, OBSTET GYNECOL, V77, P811
[59]
SHIPP T, 2001, AM J OBSTET GYNECOL, V184, pS71