Shephard MK; MacGregor EA, Zakrzewska JM (Januar 2014). »Orofacial Pain: A Guide for the Headache Physician«. Headache: The Journal of Head and Face Pain. 54 (1): 22–39. doi:10.1111/head.12272. PMID24261452.
Shephard MK; MacGregor EA, Zakrzewska JM (Januar 2014). »Orofacial Pain: A Guide for the Headache Physician«. Headache: The Journal of Head and Face Pain. 54 (1): 22–39. doi:10.1111/head.12272. PMID24261452.