Comparative study of 'beta'-carotene and microencapsulated 'beta'-carotene: evaluation of their genotoxic and antigenotoxic effects - Aissa, Alexandre Ferro; Bianchi, Maria de Lourdes Pires; Ribeiro, Juliana Carvalho; Hernandes, Livia Cristina; Faria, Adelia Ferreira de; Mercadante, Adriana Zerlotti; Antunes, Lusânia Maria Gregui (Food and Chemical Toxicology, 2012)