1. Lower jaw: Double condyles;Hrdlicka;Am J Phys Anthropol,1941
2. The temporomandibular joint: A consideration of its probable functional and dysfunctional sequelae and report: Condyle-double head in a young person;Schier;Dent Items Interest,1948
3. Congenital double condyle of the mandible causing temporomandibular joint ankylosis: Report of case;Stadnicki;J Oral Surg,1971
4. Unilateral condylar doubling of mandibular condyle;Lysell;Dentomaxillofac Radiol,1975
5. Mandibular condylar head duplication;Farmand;J Maxillofac Surg,1981