JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 25, Issue 3,2009, Pages 185-186, doi:10.3969/j.issn.1003-6946.2009.03.022
JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 25, Issue 3,2009, Pages 174-177,插页, doi:10.3969/j.issn.1003-6946.2009.03.018
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JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 25, Issue 3,2009, Pages 142-144, doi:10.3969/j.issn.1003-6946.2009.03.007
JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 25, Issue 3,2009, Pages 191-192, doi:10.3969/j.issn.1003-6946.2009.03.029