Liver (A), lung (B), and kidney (C) fraction of ingested [3H]retinol dose in control, VA-, and VARA-supplemented neonatal rats from 0 to 14 days after dosing on postnatal day 4. Insets show the first 24 h after dosing. Each symbol represents the mean of n = 7 (control), n = 4 (VA) or n = 3 (VARA) rats. P < 0.05 (ANOVA): *VA or VARA vs. other; †supplemented vs. control; ‡VA or VARA vs. control. VA, vitamin A; VARA, VA combined with retinoic acid.