Effects of toxic and non-toxic crude extracts on different Microcystis species (Cyanobacteria) - Bittencourt-Oliveira, Maria do Carmo; Camargo-Santos, Danilo; Moura, Ariadne do Nascimento; Francisco, Ingrid Bardini; Dias, Carlos Tadeu dos Santos; Molica, Renato José Reis; Cordeiro-Araújo, Micheline Kézia (African Journal of Microbiology Research, 2013)