Madrigali, A., F. Bonelli, M. Sgorbini, S. Citi, C. Cantile, F. Fratini, and L. Turini. “Use of ultrasound in a case of Actinomycosis in a Holstein Friesian cow”. The Thai Journal of Veterinary Medicine, vol. 50, no. 1, Mar. 2020, pp. 115-9, https://he01.tci-thaijo.org/index.php/tjvm/article/view/243265.