Fertility and Sterility
Fertility and Sterility > 2009 > 91 > 2 > 556-559
Fertility and Sterility > 2009 > 91 > 3 > 929.e1-929.e3
Fertility and Sterility > 2009 > 91 > 3 > 932.e13-932.e14
Fertility and Sterility > 2009 > 92 > 2 > 762-769
Fertility and Sterility > 2009 > 92 > 3 > 1110-1115