MUÑOZ DÍAZ, T. T.; JIMÉNEZ, D. F. Serum cortisol as a systemic marker in the long-term treatment with fluticasone propionate (FP) in recurrent airways obstruction (RAO) aged horses. Revista Científica de la Facultad de Ciencias Veterinarias de la Universidad del Zulia, v. 24, n. 2, 19 jun. 2014.