Mansoor , Ansari Sabahat, et al. “Etiopathogenesis of Chronic Bronchitis: A Symptom-Based Correlation With Sūʿāl and Its Management in Unani Medicine”. Journal of Drug Delivery and Therapeutics, vol. 15, no. 10, Oct. 2025, pp. 129-34, https://doi.org/10.22270/jddt.v15i10.7404.