Haider Rehan, Mehdi Asghar, Zehra Anjum, Kumari Das Geetha, Ahmed Zameer, Zameer Sambreen, Measuring Quality Change in the Market for Anti-Ulcer Drugs, Journal of Digestive Disorders and Diagnosis, Volume 2, Issue 2, 2024, Pages 1-17, ISSN 2574-4526, https://doi.org/10.14302/issn.2574-4526.jddd-24-4996. (https://jndc-chemistryarticles.infojddd/article/2106) Keywords: Efficacy; Safety: Patient-reported outcomes; comparative effectiveness; research; health; economic outcomes; regulatory standards