the frequency of spike bursts in the ileum proximal and distal to the obstruction was the greatest in the first 2 days after the establishment of the obstruction , while in the antrum and proximal small bowel , the frequency of bursts of spike potentials increased gradually from the first to the fourth postobstruction day ( p less than 0.01 ) .
C0020885
bursts
C0021852
small bowel