MELLO, G. L. DE; AMARAL JÚNIOR, H.; GARCIA, S.; VINATEA, L. <b>Acute toxicity of pyrazosulfuron-ethyl and permethrin to juvenile <em>Litopenaeus vannamei</em></b&gt; - doi: 10.4025/actascibiolsci.v33i1.6974. Acta Scientiarum. Biological Sciences, v. 33, n. 1, p. 1-6, 8 fev. 2011.