OWN - Quintessenz Verlags-GmbH CI - Copyright Quintessenz Verlags-GmbH OCI - Copyright Quintessenz Verlags-GmbH TA - J Orofac Pain JT - Journal of Oral & Facial Pain and Headache IS - 2333-0376 (Electronic) IS - 2333-0384 (Print) IP - 2 VI - 34 PST - ppublish DP - 2020 PG - 115-115 LA - en TI - The Journey of a Specialty FAU - Okeson, Jeffrey P. AU - Okeson J CN - AB - AID - 851543