Correlation between the disease severity and serum levels of c reactive protein, erythrocyte sedimentation rate and ferritin in patients with chronic spontaneous urticaria: A cross-sectional study. J Pak Assoc Dermatol [Internet]. 2024 May 6 [cited 2026 Aug. 1];34(1):171-7. Available from: https://www.jpad.com.pk/index.php/jpad/article/view/2428