ISLAS, A., LOPEZ-RIVERO, J. L., MORA, G., MERINO, V., BRIONES, M., PEREZ, P., AGUIRRE, G. and MARIN, L. (1997) “Histochemistry and biochemical characteristics of Gluteus medius muscle fibres in draught horses of the equine support plan”, Archivos de Medicina Veterinaria, 29(1), pp. 35–43. doi: 10.4067/S0301-732X1997000100004.