Ali Khan, S., and Z. I. Shaikh. “PSORIASIS AREA SEVERITY INDEX (PASI) AND THE DERMATOLOGY LIFE QUALITY INDEX (DLQI): THE CORRELATION BETWEEN DISEASE SEVERITY AND QUALITY OF LIFE IN PATIENTS OF PSORIASIS”. Pakistan Armed Forces Medical Journal, Vol. 67, no. 6, Dec. 2017, pp. 1058-62, https://mail.pafmj.org/index.php/PAFMJ/article/view/1037.