Detection of assemblages A and B of Giardia duodenalis in water and sewage from São Paulo state, Brazil - Fernandes, Licia Natal; Souza, Patrícia Pereira de; Araujo, Ronalda Silva de; Razzolini, Maria Tereza Pepe; Soares, Rodrigo Martins; Sato, Maria Inês Zanoli; Hachich, Elayse Maria; Cutolo, Silvana Audra; Matté, Glavur Rogério; Matté, Maria Helena (Journal of Water and Health, 2011)