Lazebnik, Leonid B., Sergey A. Alekseenko, Sergii M. Tkach, Yuriy M. Stepanov, Yury Marakhouski, Olga Zharskaya, Baurzhan I. Samikovich, Negreanu Lucian, Thein Myint, Amit Garg, Hardik Pathak, and Nadezhda Pavlova. 2021. “Effect of Omeprazole on Patient-Reported Outcome Measures in Uninvestigated Heartburn: A Multi-Country, Multi-Center Observational Study”. International Journal of Research in Medical Sciences 9 (6):1587-97. https://doi.org/10.18203/2320-6012.ijrms20211945.