Prevalence of headache among Nigerian university students.
D000293:Adolescent; D000328:Adult; D005221:Fatigue / Q000150:complications; D005260:Female; D006261:Headache / Q000453:epidemiology* / Q000209:etiology; D006358:Hot Temperature / Q000009:adverse effects; D006801:Humans; D008297:Male; D005222:Mental Fatigue / Q000150:complications; D009549:Nigeria; D013315:Stress, Psychological / Q000150:complications; D013334:Students; D014495:Universities