LIENA, L. FACTORS RELATED TO CHILDREN PNEUMONIA’S DISEASE IN ROYAL PRIMA MEDAN HOSPITAL. PRIMER (Prima Medical Journal), [S. l.], v. 5, n. 1, 2020. DOI: 10.34012/pmj.v3i1.1157. Disponível em: http://jurnal.unprimdn.ac.id/index.php/PRIMER/article/view/1157. Acesso em: 26 sep. 2022.