Polycystic hydatid disease ( echinococcus vogeli): clinical and radiological manifestations and treatment with albendazol of a patient from the brazilian amazon region - Meneghelli, U G; Barbo, M L P; Magro, J E; Bellucci, Ângela Delete; Llorach Velludo, Maria Angeles Sanches (Arquivos de Gastroenterologia, 1986)