Journal of Practical Obstetrics and Gynecology, Volume 29, Issue 10,2013, Pages 788-790, doi:10.3969/j.issn.1003-6946.2013.10.025
Journal of Practical Obstetrics and Gynecology, Volume 29, Issue 10,2013, Pages 791-793, doi:10.3969/j.issn.1003-6946.2013.10.026
Journal of Practical Obstetrics and Gynecology, Volume 29, Issue 10,2013, Pages 744, doi:10.3969/j.issn.1003-6946.2013.10.011
Journal of Practical Obstetrics and Gynecology, Volume 29, Issue 10,2013, Pages 748-751, doi:10.3969/j.issn.1003-6946.2013.10.013
Journal of Practical Obstetrics and Gynecology, Volume 29, Issue 10,2013, Pages 765-768, doi:10.3969/j.issn.1003-6946.2013.10.018