an examination of [ 3h ] retinyl acetate metabolites under steady state conditions in vitamin a-repleted rats demonstrates the occurrence of all-trans-retinoic acid and 13-cis-retinoic acid in circulation and in intestinal epithelium , in a pattern similar to that found after injection of retinoic acid into vitamin a-depleted rats .
C0073109
retinyl acetate
C0042839
vitamin a