Shivashankar Velu and Pheba Susan Thomas 2021. A study on appropriateness and cost comparison of prescription of proton pump inhibitors at a tertiary care hospital. International Journal of Research in Pharmacology & Pharmacotherapeutics. 5, 4 (May 2021), 286-290. DOI:https://doi.org/10.61096/ijrpp.v5.iss4.2016.286-290.