Hepatotoxin Microcystin-LR extraction optimization - Silva-Stenico, Maria Estela; Cantúsio Neto, Romeu; Alves, Ivânio R.; Moraes, Luiz Alberto Beraldo de; Shishido, Tânia Keiko; Fiore, Marli de Fatima (Journal of Brazilian Chemical Society, 2009)