Balogun, Olayinka R, Abiodun S Adeniran, and Adebayo A Adewole. 2016. “Haematological and Biochemical Effects of Etonogestrel Subdermal Implant (Implanon) in Ilorin Nigeria”. International Journal of Health Sciences 10 (4). https://pub.qu.edu.sa/index.php/journal/article/view/1519.