Nagaraju K, Karthik N, Porchelvan S, Rishi Jain, and Snehal Muchhala. 2020. “An Open Labelled Prospective Clinical Study to Evaluate the Efficacy, Safety and Cost Analysis of Pidotimod As Add-on Drug for Maintenance Therapy in Paediatric Recurrent Acute Respiratory Tract Infections.”. International Journal of Research in Pharmaceutical Sciences 11 (2), 2183-88. https://doi.org/10.26452/ijrps.v11i2.2167.