共 13 条
[2]
BRADLEY JV, 1968, DISTRIBUTION FREE ST, P68
[3]
CARTWRIGHT PS, 1987, FERTIL STERIL, V48, P679
[4]
FOSSUM GT, 1988, FERTIL STERIL, V49, P788
[6]
NYBERG DA, 1987, J ULTRAS MED, V6, P145
[7]
PETTERSSON K, 1983, CLIN CHEM, V29, P60
[8]
PITTAWAY DE, 1985, FERTIL STERIL, V43, P529
[9]
PITTAWAY DE, 1985, OBSTET GYNECOL, V1152, P299
[10]
SHERMAN D, 1982, FERTIL STERIL, V37, P497