Attiya Tareen; Sohaib Asghar; Hadia Yaqub Khan; Habiba Yaqub Khan; Ammara Safdar. Serum Vitamin Levels in Psoriasis and Acne: Is There a Relationship With Disease? A Comparative Cross Sectional Study in Local Population. J Pak Assoc Dermatol 2023, 33, 196-203.