Henneguya pseudoplatystoma n. sp. causing reduction in epithelial area of gills in the farmed pintado, a South American catfish: histopathology and ultrastructure - Naldoni, Juliana; Arana, Sarah; Maia, Antônio Augusto Mendes; Ceccarelli, Paulo Sérgio; Tavares, Luiz Eduardo Roland; Borges, Fernando de Almeida; Pozo, Carlos de la Fuente del; Adriano, Edson Aparecido (Veterinary Parasitology, 2009)