1. P-425 Fertility and Sterility Volume 86, Issue 3, (September 2006)
L. Qun, L. Jie, L. Tao, Z.J. Zhong, T. Zhen 
Fertility and Sterility 
Volume 86, Issue 3, (September 2006)
DOI: /j.fertnstert
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

2. Fertility and Sterility 2006 86, DOI: (10.1016/j.fertnstert.2006.07.785)
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

3. Fertility and Sterility 2006 86, DOI: (10.1016/j.fertnstert.2006.07.785)
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions