Biomonitoring of the genotoxic potential (micronucleus and erythrocyte nuclear abnormalities assay) of the Admiralty Bay water surrounding the Brazilian Antarctic Research Station "Comandante Ferraz", King George Island - Ngan, Phan Van; Gomes, Vicente; Passos, Maria José de Arruda Campos Rocha; Ussami, Keyi Ando; Campos, Débora Y F; Rocha, Arthur José da Silva (Polar Biology, 2007)