title: Lewis (secretor) phenotype in ankylosing spondylitis.
authors.forename: P
authors.initials: P
authors.lastname: Møller
mesh_terms: D006801:Humans; D007983:Lewis Blood Group Antigens / Q000235:genetics*; D010641:Phenotype; D013167:Spondylitis, Ankylosing / Q000097:blood*
chemical_list: D007983:Lewis Blood Group Antigens