Viscardi, Vanessa, et al. “Comparison Between Linear Smear Concentration and Cytocentrifugation Techniques to Evaluate Equine Bronchoalveolar Lavage Cytology”. Brazilian Journal of Veterinary Research and Animal Science, vol. 50, no. 1, Feb. 2013, pp. 68-70, https://doi.org/10.11606/issn.2318-3659.v50i1p68-70.