Medical and Surgical @ Gastrointestinal System @ Excision @ Sigmoid Colon @ Via Natural or Artificial Opening Endoscopic
medical and surgical @ gastrointestinal system @ excision @ sigmoid colon @ via natural or artificial opening endoscopic
Medical and Surgical @ Gastrointestinal System @ Excision @ Sigmoid Colon @ Via Natural or Artificial Opening Endoscopic
medical and surgical @ gastrointestinal system @ excision @ sigmoid colon @ via natural or artificial opening endoscopic