Journal of Practical Obstetrics and Gynecology, Volume 27, Issue 10,2011, Pages 766, doi:10.3969/j.issn.1003-6946.2011.10.018
Journal of Practical Obstetrics and Gynecology, Volume 27, Issue 10,2011, Pages 784-786, doi:10.3969/j.issn.1003-6946.2011.10.025
Journal of Practical Obstetrics and Gynecology, Volume 27, Issue 10,2011, Pages 721-722, doi:10.3969/j.issn.1003-6946.2011.10.001
Journal of Practical Obstetrics and Gynecology, Volume 27, Issue 10,2011, Pages 769-771, doi:10.3969/j.issn.1003-6946.2011.10.020
Journal of Practical Obstetrics and Gynecology, Volume 27, Issue 10,2011, Pages 745-748, doi:10.3969/j.issn.1003-6946.2011.10.011