Valean, S., M. Petrescu, A. Catinean, Romeo Chira, and P. A. Mircea. 2005. “Pill Esophagitis: Two Case Reports”. Journal of Gastrointestinal and Liver Diseases 14 (2):159-63. https://www.jgld.ro/jgld/index.php/jgld/article/view/2005.2.9.