Excision of Sigmoid Colon, Via Natural or Artificial Opening Endoscopic, Diagnostic
excision of sigmoid colon, via natural or artificial opening endoscopic, diagnostic
Medical and Surgical @ Gastrointestinal System @ Excision @ Sigmoid Colon @ Via Natural or Artificial Opening Endoscopic @ No Device @ Diagnostic
medical and surgical @ gastrointestinal system @ excision @ sigmoid colon @ via natural or artificial opening endoscopic @ no device @ diagnostic