the retinol and retinylpalmitate content along with the retinylacetate and retinylpalmitate-hydrolase in the blood of the portal vein and in the peripheral blood from the superficial vein of the hind limb of dogs was determined in chronic experiments before and 1 , 2 , 3 and 4 hours after administration of the vitamin a preparations into the small intestine fistula .
C0073115
retinylpalmitate
C0042839
vitamin a preparations