1. Anatomy of the root canals of the teeth of the permanent dentition. Part 1;Hess,1925
2. The endodontic significance of the mesiobuccal root of the maxillary first molar;Vertucci;US Navy Med,1974
3. The maxillary first molar;Gray,1983
4. Canal configuration in the mesiobuccal root of the maxillary first molar and its endodontic significance;Weine;Oral Surg,1969
5. Roentgenographic investigation of the mesiobuccal root of the maxillary first molar;Pineda;Oral Surg,1973