Fluid transport in a tube of variable cross-sectional area by peristaltic waves of dilating amplitude: A mathematical model for investigating impact of hiatus hernia on swallowing Fluid transport in a tube of variable cross-section. J. Int. Acad. Phys. Sci. [Internet]. 2022 Mar. 15 [cited 2026 Oct. 23];26(1):1-16. Available from: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/930