MOHAMMAD, Gul; GHANI, Rehman; NABI, Ghulam. ACHALASIA OF THE CARDIA. Journal of Ayub Medical College Abbottabad, [S. l.], v. 5, n. 2, p. 38–40, 1992. Disponível em: https://demo.ayubmed.edu.pk/index.php/jamc/article/view/4732. Acesso em: 5 dec. 2025.