Inayat, Naveed, Riaz Hussain Shah, Qurban Ali Rahu, and Rubina Sahito. “Nebulized Salbutamol With and Without Ipratropium Bromide in the Treatment of Acute Severe Asthma”. Pakistan Journal of Chest Medicine 22, no. 3 (January 2, 2017): 102–6. Accessed May 30, 2026. https://pjcm.net/index.php/pjcm/article/view/407.