at concentrations of 2.8 x 10 ( -8 ) -2.8 x 10 ( -6 ) m , prostaglandins ( pgs ; pge ( 1 ) , pge ( 2 ) and pgf ( 2alpha ) ) had no effect on membrane potential and resistance of smooth muscles of the guinea-pig mesenteric artery .
C0033554
prostaglandins
C0033559
pge