Sihombing, Kirana Patrolina, Jurusan Keperawatan gigi, Medan Health Polytechnic, Ministry of health Indonesia, Indonesia

• International Conference on Tropical Medicine and Infectious Diseases (ICTROMI) 2017 - General Paper
  Assosiation Between Serum Concentration Of 25-Hydroxyvitamin D [25(OH)D] And Chronic Periodontitis
  Abstract