Ullah, Innayat, Asma Khalid, Imtiaz Ahmed, and Tayab Raza. “ACUTE RESPIRATORY FAILURE IN AN ASTHMATIC PREGNANT PATIENT: Acute Respiratory Failure”. Pakistan Armed Forces Medical Journal 57, no. 1 (June 30, 2007): 82–86. Accessed May 9, 2025. https://www.pafmj.org/PAFMJ/article/view/256.