Small Airway Dysfunction Affects One in Five Indian Adolescents: The Multicity APEAL Study - Mohammed Kaleem Ullah; Anant Mohan; Rajesh Kumar Thimmulappa; Harish Chandra Phuleria; Santu Ghosh; Rajesh Majumder; Swapnali Patil; Priya Samdarshi; Sathish Chandran Mayigaiah; Ashwaghosha Parthasarathi; Jayaraj Biligere Siddaiah; Twinkle Agrawal; et al. (Clinical & Experimental Allergy, 2026)