TY - JOUR T1 - A new species of Henneguya, a gill parasite of Astyanax altiparanae (Pisces: Characidae) from Brazil, with comments on histopathology and seasonality JO - Memórias do Instituto Oswaldo Cruz A1 - Barassa, Bianca A1 - Cordeiro, Nelson S A1 - Arana, Sarah SN - 0074-0276 UL - 10.1590/S0074-02762003000600009 VL - 98 Y1 - 2003 PB - Brasil ER -