Excision of Upper Esophagus, Via Natural or Artificial Opening Endoscopic, Diagnostic
excision of upper esophagus, via natural or artificial opening endoscopic, diagnostic
Medical and Surgical @ Gastrointestinal System @ Excision @ Esophagus, Upper @ Via Natural or Artificial Opening Endoscopic @ No Device @ Diagnostic
medical and surgical @ gastrointestinal system @ excision @ esophagus, upper @ via natural or artificial opening endoscopic @ no device @ diagnostic