Dias, L. C. de S.; Ueta, M. T.; Guaraldo, A. M. A. Susceptibility of Biomphalaria Glabrata, B. Tenagophila and B. Straminea to Different Strains of Schistosoma Mansoni . Rev. Inst. Med. Trop. São Paulo 1987, 29 (4), 205-212.