Szukana fraza: [Abstract = "In order to evaluate toxicity of cyanobacterial bloom it was conducted toxicological testing using aquatic invertebrates \(Daphnia magna, Dugesia tigrina\) and heterotrophic bacteria \(Escherichia coli, Enterococcus faecalis, Pseudomonas fluorescens\). Test samples were collected from May to October, 2012."]