X-ray technique for visualization of the bolus flow through an esophageal simulator. - Leopoldo Ruiz-Huerta; Carlos Alberto Palacios-Morales; Alberto Caballero-Ruiz; Michal Vopalensky; O. Díaz; Juan Alejandro Hernández-Angulo; Edmundo Brito-de-la-Fuente; Gabriel Ascanio (J. Vis., 2021)