Medical and Surgical @ Gastrointestinal System @ Extraction @ Stomach, Pylorus @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ gastrointestinal system @ extraction @ stomach, pylorus @ via natural or artificial opening endoscopic @ no device
Medical and Surgical @ Gastrointestinal System @ Extraction @ Stomach, Pylorus @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ gastrointestinal system @ extraction @ stomach, pylorus @ via natural or artificial opening endoscopic @ no device