Journal of Practical Obstetrics and Gynecology, Volume 37, Issue 4,2021, Pages 249-253,
Journal of Practical Obstetrics and Gynecology, Volume 37, Issue 4,2021, Pages 261-263,
Journal of Practical Obstetrics and Gynecology, Volume 37, Issue 4,2021, Pages 319-320,
Journal of Practical Obstetrics and Gynecology, Volume 37, Issue 4,2021, Pages 307-310,