a study was conducted to measure the blood plasma concentrations of prostaglandin f2 alpha ( pgf2 alpha ) , 13,14-dihydro-15-keto-prostaglandin f ( pgfm ) , 6-keto-prostaglandin f1 alpha ( 6-keto ) , prostaglandin uterine artery , uterine vein , umbilical artery and umbilical vein in 24 cows from days 80 to 260 of pregnancy .
C0012471
prostaglandin f2 alpha
C0033561
prostaglandin f