The effect of freezing and thawing during storage on the retinyl ester: retinol ratio in rat liver.
D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D003080:Cold Temperature; D004355:Drug Stability; D004952:Esters; D005463:Fluoroacetates; D005615:Freezing; D008099:Liver / Q000032:analysis*; D008297:Male; D051381:Rats; D013997:Time Factors; D014021:Tissue Preservation; D014801:Vitamin A / Q000032:analysis
D004952:Esters; D005463:Fluoroacetates; D014801:Vitamin A