Evaluation of some factors involved in the genesis of anemia in cocker spaniel dogs with chronic renal failure - Notomi, Márcia Kikuyo; Kogika, Márcia Mery; Esaine, Luis Aquiles Lozada; Coelho, Bruna Maria Pereira; Withl, V. F. B; Simões, Denise Maria Nunes; Hagiwara, Mitika Kuribayashi (Congreso Panamericano de Ciencias Veterinarias, 2004)