Headache as the initial presentation of Wegener's granulomatosis.
Lim
I G S
IG
Spira
P J
PJ
McNeil
H P
HP
D000328:Adult; D014890:Granulomatosis with Polyangiitis / Q000150:complications*; D020773:Headache Disorders / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male