Camargo, J. C.; Machado Velho, L. F. <b>Longitudinal Variation of Attributes from Flagellate Protozoan Community in Tropical streams</b&gt; - Doi: 10.4025/actascibiolsci.V33i2.7228. Acta Sci. Biol. Sci. 2011, 33, 161-169.