TY - JOUR AU - Csendes, A; Braghetto, I; HenrĂ­quez, A TI - Late results of a prospective randomized study comparing forceful dilatation and esophagomyotomy in patients with achalasia JO - Gut IS - 03 VL - 30 PY - 1989 DO - 10.1136/gut.30.3.299 SP - 299 EP - 304 N1 - et al. ER -