title: A post World War II date of birth peak in patients subsequently developing AS is unexplained.
authors.forename: R
authors.initials: R
authors.lastname: Will
authors.forename: J
authors.initials: J
authors.lastname: Elswood
authors.forename: A
authors.initials: A
authors.lastname: Calin
mesh_terms: D016000:Cluster Analysis; D016206:Databases, Bibliographic; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000453:epidemiology*; D011795:Surveys and Questionnaires; D013997:Time Factors; D006113:United Kingdom