Ghoddusi, J., A. Mesgarani, and S. Gharagozloo. “Endodontic Re-Treatment of Maxillary Second Molar With Two Separate Palatal Roots: A Case Report”. Iranian Endodontic Journal, vol. 3, no. 3, July 2008, pp. 83-85, doi:10.22037/iej.v3i3.786.