for the purpose of evaluating the tissue blood flow reducing effect on lower esophagus and cardiac portion of the stomach after transabdominal mucosal transection operation for esophageal varices , 28 adult mongrel dogs were used and divided into ( a ) 18 as the control ( b ) 10 caused to have portal hypertension for present study .
C0014876
esophagus
C0014867
esophageal varices