TY - JOUR T1 - Use of isozyme patterns in the identification of Biomphalaria tenagophila (D'Orbigny, 1835) and B. occidentalis (Paraense, 1981) (Gastropoda: Planorbidae) JO - Memórias do Instituto Oswaldo Cruz A1 - Mascara, Douglas A1 - Morgante, João Stenghel SN - 0074-0276 UL - 10.1590/S0074-02761995000300010 VL - 90 Y1 - 1995 PB - Brasil ER -