Iqra Aslam, Sadaf Hammad, Sohaib Farooq, Ahmad Yar, Nauman Ahmed, Sherjeel Fazal 2025. Multistrain Probiotics and their Role in Presentation of Severity and Frequency of Upper Respiratory Tract Infection. Pakistan Journal of Medical & Health Sciences. 17, 12 (Jun. 2025), 360. DOI:https://doi.org/10.53350/pjmhs0202317012360.