Ramos, C.P. da S., Pinheiro, I.O., Silva, E.M. da and Leandro, K.C. 2015. Study on the occurrence of microcystin toxin in water reservoir of Mundau (Garanhuns-PE) by ELISA and HPLC methodologies. Instituto Adolfo Lutz Journal - RIAL. 73, 2 (Sep. 2015), 169–177. DOI:https://doi.org/10.18241/0073-98552014731602.