Characterization of fish oils extracted by freezing from freshwater fish viscera - Segura, Júlio Guerra; Bragagnolo, Neura; Simon, Sarah Janaína Gurgel Bechtinger; Balieiro, Júlio Cesar de Carvalho; Vargas, Sheyla Cristina; Viegas, Elisabete Maria Macedo (Aqua, 2012)