30.09.2004
Randomized controlled trial of botulinum toxin versus laparoscopic Heller myotomy for esophageal achalasia
G. Zaninotto, V. Annese, M. Costantini, A. Del Genio, M. Costantino, M. Epifani, G. Gatto, V. D'Onofrio, L. Benini, S. Contini, D. Molena, G. Battaglia, B. Tardio, A. Andriulli, E. Ancona
Annals of Surgery, 2004; 239: 364-370