Dilation of Middle Esophagus, Via Natural or Artificial Opening Endoscopic
dilation of middle esophagus, via natural or artificial opening endoscopic
Medical and Surgical @ Gastrointestinal System @ Dilation @ Esophagus, Middle @ Via Natural or Artificial Opening Endoscopic @ No Device @ No Qualifier
medical and surgical @ gastrointestinal system @ dilation @ esophagus, middle @ via natural or artificial opening endoscopic @ no device @ no qualifier