O32 Ankylosing spondylitis associated polymorphism of the IL7R controls expression surface and soluble IL7R-alpha during in inflammation. (12th April 2019) - Al-Mossawi, Hussein; Yager, Nicole; Taylor, Chelsea; Danielli, Sara; Gilchrist, James; Nassiri, Isar; Mahe, Elise; Knight, Julian; Fairfax, Benjamin P; Bowness, Paul