title: Prevalence and impact of headache and migraine among secondary school students in Nigeria.
authors.affiliation: Department of Child Health, School of Medicine, College of Medical Sciences, University of Benin, Benin City, Nigeria.
authors.forename: Gabriel E
authors.initials: GE
authors.lastname: Ofovwe
authors.forename: Antoinette N
authors.initials: AN
authors.lastname: Ofili