Magdalena Simatupang, Maria, Department of Microbiology, Universitas Sumatera Utara, Indonesia, 20155, Indonesia

• Sumatera Medical Journal Vol. 7 No. 1 (2024): Sumatera Medical Journal (SUMEJ) - Research Article
  Level of Knowledge, Attitude, and Behavior of Students at SMA Negeri 13 Medan on Prevention of Sexually Transmitted Infections
  Abstract  PDF