Cite
MLA Citation
Andrew Li et al.. “S977 Peroral Endoscopic Myotomy for Achalasia Subtypes and Esophagogastric Outflow Obstruction: Clinical Success and GERD.” American journal of gastroenterology, vol. 116, n.d., p. S467. http://access.bl.uk/ark:/81055/vdc_100144524452.0x000022