@article{articlea704a214,
title   = {Supplementing hen diets with vitamins A and E affects egg yolk retinol and α-tocopherol levels},
author = {Mori, Agnes Veridiana and Mendonça Júnior, Cássio Xavier de and Almeida, C. R. M. and Pita,Maria Carolina Gonçalves},
year = {2003},
journal   = {The Journal of Applied Poultry Research}
}