Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePerinatal characteristics, older siblings, and risk of ankylosing spondylitis: a case–control study based on national registers.AuthorsLindström, Ulf; Forsblad-d’Elia, Helena; Askling, Johan; Kristensen, Lars Erik; Lie, Elisabeth; Exarchou, Sofia; Jacobsson, LennartPublicationArthritis Research & Therapy, 2016, Vol 18, p1ISSN1478-6354Publication typeArticleDOI10.1186/s13075-016-0917-1