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