Noor-Ul-Ain Malik Sohail, Minahil Sarfraz Ahmad Basirat, Syed Azhar Hussain Zaidi Aisha Malik, Naima Khalid. Association of Serum Vitamin D Levels with Disease Severity in Chronic Plaque Psoriasis and Coexisting Obstructive Pulmonary Disease. IJPRT [Internet]. 2025 Aug. 7 [cited 2025 Sep. 3];15(2):1085-91. Available from: https://ijprt.org/index.php/pub/article/view/850