Pre-procedural upper gastrointestinal series.

 
 
  Part of: Boyanov N, Andonov V, Shtereva K, Madzharova K, Stoynov N, Dimitrova D, Yankov I (2023) Initial experience in target peroral endoscopic submucosal myotomy combined with septotomy for epiphrenic diverticulum. Folia Medica 65(3): 490-494. https://doi.org/10.3897/folmed.65.e83893