Spatial and seasonal analysis of antimicrobials and toxicity tests with Daphnia magna, on the sub-basin of Piracicaba river, SP, Brazil - Torres, Nádia Hortense; Pupo, Marilia Mourade Salles; Ferreira, Luiz Fernando Romanholo; Maranho, Lucineide Aparecida; Américo-Pinheiro, Juliana Heloisa Pinê; Vilca, Franz Zirena; Hollanda, Luciana Mariade; Tornisielo, Valdemar Luiz (Journal of Environmental Chemical Engineering, 2017)