Bittner, L.; Ollhoff, R. D.; Neto, J. D. B.; Spilke, J.; Pogliani, F. C.; Martinez, J. L. .; Starke, A. Ultrasonographic Evaluation of Teat Structure and Detection of Prominent Annular Folds in Brazilian Dairy Buffaloes. J Buf Sci 2019, 8, 55-61.