High-resolution manometry evaluation of esophageal motility in a patient with incomplete achalasia and tracheoesophageal fistula: clinical case. RCSF [Internet]. 2023 Jan. 8 [cited 2025 Oct. 16];9(1):12-6. Available from: https://ojs.unipamplona.edu.co/index.php/cdh/article/view/2372