We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNonmedical exemptions to school immunization requirements: secular trends and association of state policies with pertussis incidence.AuthorsOmer SB; Pan WK; Halsey NA; Stokley S; Moulton LH; Navar AM; Pierce M; Salmon DAPublicationJAMA, 2006, Vol 296, Issue 14, p1757ISSN1538-3598Publication typearticleDOI10.1001/jama.296.14.1757