title: A clinical approach to pain: 2. Extraoral structures.
authors.forename: D K
authors.initials: DK
authors.lastname: Riden
mesh_terms: D003937:Diagnosis, Differential; D004433:Earache / Q000175:diagnosis; D005157:Facial Pain / Q000175:diagnosis*; D006801:Humans; D010146:Pain / Q000175:diagnosis; D010254:Paranasal Sinus Diseases / Q000175:diagnosis; D012466:Salivary Gland Diseases / Q000175:diagnosis; D013705:Temporomandibular Joint Disorders / Q000175:diagnosis; D013706:Temporomandibular Joint Dysfunction Syndrome / Q000175:diagnosis