Munawwarah, L., R. Evalina, and S. Sofyani. “Serum 25-Hydroxyvitamin-D Level and Atopic Dermatitis Severity in Children”. Paediatrica Indonesiana, Vol. 57, no. 5, Jan. 2018, pp. 234-8, doi:10.14238/pi57.5.2017.234-8.