Díaz-Peña Díaz-Peña R R Castro-Santos Castro-Santos P P Aransay Aransay AM AM Brüges-Armas Brüges-Armas J J Pimentel-Santos Pimentel-Santos FM FM López- Larrea López- Larrea C C Genetic study confirms association of HLA-DPA1*01:03 subtype with ankylosing spondylitis in HLA-B27-positive populations Genetic study confirms association of HLA-DPA1*01:03 subtype with ankylosing spondylitis in HLA-B27-positive populations Hum Immunol Hum Immunol 2013 2013 74 74 764 764 767 767 10.1016/j.humimm.2013.02.001 10.1016/j.humimm.2013.02.001 23459078 23459078. Here, HLA-DPA1 is linked to ankylosing spondylitis.