Khan TA, Zakia Gul, Muhammad Abdul Basit Ashraf, Umar Usman, Mehr Muhammad Imran, Zaheer Ahmad. Obstructive Sleep Apnea in Patients with Difficult to Treat Asthma: Obstructive Sleep Apnea in Patients with Difficult to Treat Asthma. apmc [Internet]. 2024Sep.30 [cited 2025Jun.16];18(3):222-6. Available from: https://www.apmcfmu.com/index.php/apmc/article/view/1398