We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSchool Start and Occurrence of HeadacheAuthorsAnttila, Pirjo; Metsähonkala, Liisa; Sillanpää, MattiPublicationPediatrics, 1999, Vol 103, Issue 6, pe80ISSN0031-4005Publication typearticleDOI10.1542/peds.103.6.e80