Per-oral endoscopic myotomy (POEM) for achalasia / 
ASGE Endoscopic Learning Library. 
 - 1 digital optical disc (24 minutes) :  digital ;  4 3/4 in. 
<br/><br/><label>ISBN: </label> RM800.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Esophageal Achalasia.<br/>Diagnostic Techniques, Surgical--Endoscopy.