Patel, Zara M "Sinus headache": rhinogenic headache or migraine? An evidence-based guide to diagnosis and treatment. [electronic resource] - International forum of allergy & rhinology Mar 2013 - 221-30 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 2042-6984 Standard No.: 10.1002/alr.21095 doi Subjects--Topical Terms: AnimalsEndoscopyEvidence-Based MedicineHeadache--diagnosisHumansMigraine Disorders--diagnosisParanasal Sinuses--diagnostic imagingPractice Guidelines as TopicRhinitis--complicationsTomography, X-Ray ComputedTryptamines--therapeutic use