TY - JOUR T1 - Protective effect of an ERAP1 haplotype in ankylosing spondylitis: Investigating non-MHC genes in HLA-B27-positive individuals JF - Rheumatology (United Kingdom) Y1 - 2013 A1 - Bettencourt, B.F. A1 - Rocha, F.L. A1 - Alves, H. A1 - Amorim, R. A1 - Caetano-Lopes, J. A1 - Vieira-Sousa, E. A1 - Pimentel-Santos, F. A1 - Lima, M. A1 - Porto, G. A1 - Branco, J.C. A1 - Fonseca, J.E. A1 - Bruges-Armas, J. VL - 52 UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-84887669101&partnerID=40&md5=cfc19a3d6d49b44450b78d40c59c0514 IS - 12 N1 - Export Date: 8 April 2014Source: ScopusArt. No.: ket269 ER -