Querengasser, Klaus, Thomas Geishauser, Christoph Hoptner, Max Medl, and Franco Tradati. 1999. “Effects of Teat Dilators and Teat Cannulas on Udder Health”. The Bovine Practitioner 33 (2):130-35. https://doi.org/10.21423/bovine-vol33no2p130-135.