this increase was most marked in 10 patients who complained of attacks of abdominal pain after food ( 16.1 to 29.8 % , p < 0.01 ; 6.8 to 9.6 cm h ( 2 ) o , p < 0.05 ; 135 to 350 , p < 0.05 ) , and after the magnesium sulphate three of these patients experienced an attack of their usual pain .
C0000737
abdominal pain
C0030193
pain