Effects of florfenicol and oxytetracycline on the tropical cladoceran Ceriodaphnia silvestrii: A mixture toxicity approach to predict the potential risks of antimicrobials for zooplankton - Freitas, Emanuela Cristina de; Rocha, Odete; Espíndola, Evaldo Luiz Gaeta (Ecotoxicology and Environmental Safety, 2018)