JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 24, Issue 12,2008, Pages 747-749, doi:10.3969/j.issn.1003-6946.2008.12.020
JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 24, Issue 12,2008, Pages 733-736,插一, doi:10.3969/j.issn.1003-6946.2008.12.012
JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 24, Issue 12,2008, Pages 709-710, doi:10.3969/j.issn.1003-6946.2008.12.003
JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 24, Issue 12,2008, Pages 730-733,插一, doi:10.3969/j.issn.1003-6946.2008.12.011
JOURNAL OF PRACTICAL OBSTETRICS AND GYNECOLOGY, Volume 24, Issue 12,2008, Pages 740-742, doi:10.3969/j.issn.1003-6946.2008.12.014