Hutagalung, Sunna Vyatra, Faculty of Medicine, Universitas Sumatera Utara, Indonesia

• Sumatera Medical Journal Vol. 1 No. 01 (2017): The Sumatera Medical Journal - Research Article
  ANALYSIS OF LIFESTYLE, KNOWLEDGE, ATTITUDE, AND KNOWLEDGE OF WOMEN AGED 20-50 YEARS OLD WITH VITAMIN D DEFICIENCY-INSUFFICIENCY IN NORTH SUMATERA, INDONESIA
  Abstract  PDF