TY - SER AU - Pires,M.F. AU - Castro,E.M.de AU - Oliveira,C.de AU - Pereira,F.J. AU - Pasqual,M. TI - Mechanisms of the internal structure and operation of Panicum aquaticum in response to arsenic KW - GRAMINEA KW - ANATOMIA VEGETAL KW - CONTAMINAÇÃO KW - FISIOLOGIA VEGETAL ER -