Muhammad Younus, Kamal Din, Sohail Anwar, Yasir Nasir. 2022. “Effect of Probiotic Oral Suspension on Disease Severity in Chronic Obstructive Pulmonary Disease Patients-A Randomized Control Trial”. Pakistan Journal of Medical & Health Sciences 16 (08):757. https://doi.org/10.53350/pjmhs22168757.