Raza, A.; Majeed, F. A.; Imtiaz, T.; Hussain, M.; Saeed, Y.; Imran, M. AN EXPERIENCE OF LAPAROSCOPIC MODIFIED HELLER CARDIOMYOTOMY FOR ACHALASIA CARDIA: Laparoscopic Modified Heller Cardiomyotomy. Pak Armed Forces Med J 2017, 67 (4), 565-68.