Shahnaz Fatima, Fasiha Tariq, Muhammad Saqib Ur Rehman, Amna Khurram, Maira Bhatti, Sabeen Arjumand. Risk of Pneumonia With Inhaled Corticosteroid/ Long-Acting β2 Agonist Therapy in Chronic Obstructive Pulmonary Disease. Pakistan Journal of Medical & Health Sciences 2023, 17, 12.