KIRCH, B.; AIKEN, G.; SPIERS, D. The influence of temperature variation upon vascular dynamics in cattle as measured by Doppler-image ultrasonography. NZGA: Research and Practice Series, [S. l.], v. 13, p. 391–393, 2007. DOI: 10.33584/rps.13.2006.3159. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3159. Acesso em: 29 apr. 2026.