we have investigated the effects of plasma and serum from normal subjects on the production of prostacyclin ( pgi2 ) by cultured porcine aortic vascular endothelial cells , measured by radioimmunoassay of its stable metabolite 6-keto prostaglandin f1 alpha ( 6-keto pgf1 alpha ) .
C1706824
aortic
C0005847
vascular