TY - JOUR T1 - Anatomical studies of sibling species within neotropical lymnaeids, snail intermediate hosts of fascioliasis JO - Memórias do Instituto Oswaldo Cruz A1 - Pointier, JP A1 - Cazzaniga, NJ A1 - González-Salas, C A1 - Gutiérrez, A A1 - Arenas, JA A1 - Bargues, MD A1 - Mas-Coma, S SN - 0074-0276 UL - 10.1590/S0074-02762006000400015 VL - 101 Y1 - 2006 PB - Brasil ER -