Medical and Surgical @ Gastrointestinal System @ Fragmentation @ Sigmoid Colon @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ gastrointestinal system @ fragmentation @ sigmoid colon @ via natural or artificial opening endoscopic @ no device
Medical and Surgical @ Gastrointestinal System @ Fragmentation @ Sigmoid Colon @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ gastrointestinal system @ fragmentation @ sigmoid colon @ via natural or artificial opening endoscopic @ no device