this effect of imidazole was abolished by indomethacin , suggesting that the amelioration of pok vasoconstriction by imidazole was a result of inhibition of vasoconstrictor tx synthesis ( e.g . txa2 ) , with pg vasodilators ( e.g . pge2 or pg12 ) still active .
C0033554
pg
C0012472
pge2