Sanchez, Yankel A., and Omar Z. Ayub. “Stomach Versus Heart: Case Report of a Giant Hiatal Hernia With Perforated Gastric Ulcer With Obstructive Shock”. International Journal of Research in Medical Sciences 11, no. 1 (December 30, 2022): 331–333. Accessed October 13, 2025. https://www.msjonline.org/index.php/ijrms/article/view/11419.