TY - SER AU - Almeida,L.C.de AU - Aguiar,L.H. AU - Moraes,G. TI - Effect of methyl parathion on the muscle and brain acetylcholinesterase activity of matrinxã (Brycon cephalus) KW - MATRINXÃ KW - PISCICULTURA KW - METIL KW - ÁGUA KW - PESTICIDA KW - TOXIDEZ KW - CÉREBRO KW - MÚSCULO ER -