TY - JOUR T1 - Human leukocyte antigen B27 JF - Clinical Medicine JO - Clin Med SP - 162 LP - 163 DO - 10.7861/clinmedicine.10-2-162 VL - 10 IS - 2 AU - Roger D Sturrock Y1 - 2010/04/01 UR - http://www.rcpjournals.org/content/10/2/162.abstract ER -