D. A. da S. Santos, W. R. R. Vicente, J. C. Canola, and E. Léga, “B-mode ultrasonography in cows during lactation to evaluate the teat anatomy using four different techniques”, Braz. J. Vet. Res. Anim. Sci., vol. 41, no. 5, pp. 350–354, Oct. 2004, doi: 10.1590/S1413-95962004000500010.