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Paiva, S. de; Zawadzki, C. H.; Ruvulo-Takasusuki, M. C. C.; Lapenta, A. S.; Renesto, E. <b>Allozyme Analysis of the Four Species of <i>Hypostomus</i> (Teleostei: Loricariidae) from the Ivaí River, Upper Paraná River Basin, Brazil</b&gt; - Doi: 10.4025/actascibiolsci.V35i4.16355. Acta Sci. Biol. Sci. 2013, 35, 571-578.