Subanada, I. B.; Bakta, I. M.; Suryawan, I. W. B.; Astawa, P.; Satriyasa, B. K. 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 2020, 8, 536-541.