Childhood headaches caused by occult sinusitis.
Knapp
C M
CM
Department of Otorhinolaryngology Leicester Royal Infirmary, UK.
Narula
A A
AA
D000293:Adolescent; D002648:Child; D002908:Chronic Disease; D006261:Headache / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D015523:Maxillary Sinusitis / Q000150:complications* / Q000175:diagnosis