Usman Aliyu Umar

Department of Obstetrics and Gynaecology, Bayero University, Kano/Aminu Kano Teaching Hospital, Kano, Nigeria

Publications

• Short communication
  Brokenness At Different Degrees Of Spermatogenesis (SD) Is One Of The Significant Reasons For Barrenness In Men Of Conceptive Age And Requires Progressed Treatment Techniques.
  Author(s): Idris Usman Taka, Habiba Ladu, Usman Aliyu Umar, Attah Raphael Avidime* and Zakari Muhammad