Botox injection for achalasia: a modified technique Jeffrey A. Goldstein, MD, Jamie S. Barkin, MD, FACP, MACG Gastrointestinal Endoscopy Volume 49, Issue 2, Pages 272-273 (February 1999) DOI: 10.1016/S0016-5107(99)70505-5 Copyright © 1999 American Society for Gastrointestinal Endoscopy Terms and Conditions
Fig. 1 Injection of botulinum toxin into the cardioesophageal junction with gastroscopic retroflexion. Gastrointestinal Endoscopy 1999 49, 272-273DOI: (10.1016/S0016-5107(99)70505-5) Copyright © 1999 American Society for Gastrointestinal Endoscopy Terms and Conditions