TY - JOUR T1 - Colorimetric test for the monitoring of microcystins in cyanobacterial culture and environmental samples from southeast - Brazil JO - Brazilian Journal of Microbiology A1 - Almeida, Vanessa P.S. A1 - Cogo, Karina A1 - Tsai, Siu M. A1 - Moon, David H. SN - 1517-8382 UL - 10.1590/S1517-83822006000200017 VL - 37 Y1 - 2006 PB - Brasil ER -