Chacón Pérez, G., García-Belenguer Laita, S., Illera del Portal, J. and Palacio Liesa, J. (2004) “Validation of an EIA [enzyme immunoassay] technique for the determination of salivary cortisol in cattle”, Spanish Journal of Agricultural Research, 2(1), pp. 45-51. doi: 10.5424/sjar/2004021-59.