Damanik, V.I., Putra, I.B. and Ginting, O. 2019. Correlation between Serum 25-Hydroxyvitamin D Levels with Keloid Severity. Open Access Macedonian Journal of Medical Sciences. 7, 1 (Jan. 2019), 65–67. DOI:https://doi.org/10.3889/oamjms.2019.022.