@article{article911de444,
title   = {Vitamin A and All-trans and 9-cis retinoic acids inhibit cell proliferation during the progression phase of hepatocarcinogenesis in wistar rats},
author = {Silveira, Elaine Regina and Naves, Maria Margareth Veloso and Vannucchi, Hélio and Jordão Júnior, Alceu Afonso and Dagli, Maria Lúcia Zaidan and Moreno, Fernando Salvador},
year = {2001},
journal   = {Nutrition and Cancer}
}