M. M. Pai, A. Krishnamurthy, L. V. Prabhu, M. V. Pai, S. A. Kumar, and G. A. Hadimani, “ Variability in the origin of the obturator artery ”, Clinics, vol. 64, no. 9, pp. 897–901, Jan. 2009, doi: 10.1590/S1807-59322009000900011.