Medical and Surgical @ Gastrointestinal System @ Occlusion @ Esophagus, Upper @ Via Natural or Artificial Opening @ Intraluminal Device
medical and surgical @ gastrointestinal system @ occlusion @ esophagus, upper @ via natural or artificial opening @ intraluminal device
Medical and Surgical @ Gastrointestinal System @ Occlusion @ Esophagus, Upper @ Via Natural or Artificial Opening @ Intraluminal Device
medical and surgical @ gastrointestinal system @ occlusion @ esophagus, upper @ via natural or artificial opening @ intraluminal device