ZAHID ULLAH, Muhammad; SHAH, Shahkar A.; KHAN, Zahoor A.; IRSHAD, Khalid. Transthoracic Heller’s Myotomy for Achalasia of Cardia Experience with 28 Patients. Journal of Postgraduate Medical Institute, [S. l.], v. 12, n. 1, 2011. Disponível em: https://www.jpmi.org.pk/index.php/jpmi/article/view/601. Acesso em: 6 jun. 2025.