Dr. M. Swarna Kumar et al. 2022. A Comparative Study of Oral Methotrexate and Combination of OralMethotrexate and Narrow Band Ultraviolet-B in Chronic Plaque Psoriasis. IAR Journal of Medicine and Surgery Research. 3, 5 (Oct. 2022), 1–6. DOI:https://doi.org/10.47310/iarjmsr.2022.V03i05.01.