S. A. Nasution, Obstetrics and Gynecology Department, Medical Faculty University of North Sumatera, H. Adam Malik Hospital Medan, Indonesia

• Sumatera Medical Journal Vol. 2 No. 2 (2019): Sumatera Medical Journal (SUMEJ) - Research Article
  Profile of Teenage Pregnancy in H. Adam Malik Hospital Medan in 2011-2015
  Abstract  PDF