I. B. Subanada, I. M. Bakta, I. W. B. Suryawan, P. Astawa, and B. K. Satriyasa, “Association between Vitamin D Level, Vitamin D Receptor Gene Polymorphisms, and Cathelicidin Level to Acute Lower Respiratory Infections, and the Picture of Exon 2-Vitamin D Receptor Gene Polymorphisms in Children under 5 years old”, Open Access Maced J Med Sci, vol. 8, no. B, pp. 536–541, May 2020.