Barutu, Andri Josua, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia, Indonesia

• Sumatera Medical Journal Vol. 5 No. 3 (2022): Sumatera Medical Journal (SUMEJ) - Research Article
  Risk Factor Analysis of Low Back Pain in Employees of Drinking Water Store in Medan Selayang Sub-District
  Abstract  PDF