Marinho, Paulo Vinicius Tertuliano, et al. “Hansen Type II Disc Disease in Dogs: Pathophysiology, Clinicalsurgical Approach and Controversies”. Semina: Ciências Agrárias, vol. 35, no. 3, June 2014, pp. 1395-14, doi:10.5433/1679-0359.2014v35n3p1395.