Nasally triggered headache.
Farber
Roger E
RE
D006261:Headache / Q000209:etiology* / Q000503:physiopathology*; D006801:Humans; D009666:Nose / Q000294:innervation; D012668:Trigeminal Ganglion / Q000503:physiopathology; D020433:Trigeminal Nerve Diseases / Q000150:complications* / Q000503:physiopathology*