(1)
FRANCO, R. M. B.; ROCHA-EBERHARDT, R.; CANTUSIO NETO, R. Occurrence of Cryptosporidium Oocysts and Giardia Cysts in Raw Water from the Atibaia River, Campinas, Brazil . Rev. Inst. Med. Trop. São Paulo 2001, 43 (2), 109-111.