Introduction of Other Gas into Upper GI, Via Natural or Artificial Opening Endoscopic
introduction of other gas into upper gi, via natural or artificial opening endoscopic
Administration @ Physiological Systems and Anatomical Regions @ Introduction @ Upper GI @ Via Natural or Artificial Opening Endoscopic @ Gas @ Other Gas
administration @ physiological systems and anatomical regions @ introduction @ upper gi @ via natural or artificial opening endoscopic @ gas @ other gas