1. Teul I, Czerwiński F, Gawlikowska A, Konstanty-Kurkiewicz V, Sławiński G. Asymmetry of the ovale and spinous foramina in mediaeval and contemporary sculls in radiological examinations. Folia Morphol (Praha) 2002;61:147-52.
2. Shah SM, Joshi MR. An assessment of asymmetry in the normal craniofacial complex. Angle Orthod 1978;48:141-8. doi: 10.1043/0003-3219(1978)048<0141:AAOAIT>2.0.CO;2
3. Bishara SE, Burkey PS, Kharouf JG. Dental and facial asymmetries: a review. Angle Orthod 1994;64:89-98. doi: 10.1043/0003-3219(1994)064<0089:DAFAAR>2.0.CO;2
4. Khairnar KB, Bhusari PA. An anatomical study on the foramen ovale and the foramen spinosum. J Clin Diagn Res 2013;7:427-9. doi: 10.7860/JCDR/2013/4894.2790
5. Di Ieva A, Bruner E, Haider T, et al. Skull base embryology: a multidisciplinary review. Childs Nerv Syst 2014;30:991-1000. doi: 10.1007/s00381-014-2411-x