MOREIRA, L. H. DE A.; YAMADA, F. H.; CESCHINI, T. L.; TAKEMOTO, R. M.; PAVANELLI, G. C. <b>The influence of parasitism on the relative condition factor (Kn) of Metynnis lippincottianus (Characidae) from two aquatic environments: the upper Parana river floodplain and Corvo and Guairacá rivers, Brazil</b&gt;- DOI:10.4025/actascibiolsci.v32i1.3668. Acta Scientiarum. Biological Sciences, v. 32, n. 1, p. 83-86, 2 dez. 2009.