Bulbulia, B. A., and M. R. Ahmed. “Central Airway Obstruction: Diagnostic Challenges and Management Strategies in Subglottic Stenosis and Poly Chondrites With Case Studies”. British Journal of Healthcare and Medical Research, vol. 12, no. 01, Jan. 2025, pp. 77-82, doi:10.14738/bjhmr.1201.18162.