in control subjects cold pressor testing induced a significant increase in 6-keto-pgf1 alpha and pge2 levels in blood from the different sampling sites , and a significant transcardiac gradient occurred ( +11.2 +/- 6.4 pg/ml for 6-keto-pgf1 alpha and +5.1 +/- 3.4 pg/ml for pge2 ) .
C0012472
pge2
C0033554
pge2