R. Chandra, W. Oentari, D. Djohan, and O. Natali, “Preliminary Report: An Online Web-Based Survey for Psoriasis Flare After Coronavirus Disease (COVID)-19 Vaccination in North Sumatera, Indonesia”, J Indon Med Assoc, vol. 73, no. 3, pp. 132 - 139, Aug. 2023.