title: HLA-B27 subtypes: implications for the spondyloarthropathies.
authors.affiliation: Orpington Hospital, Kent, United Kingdom.
authors.forename: L
authors.initials: L
authors.lastname: MacLean
mesh_terms: D000818:Animals; D015796:HLA-B27 Antigen / Q000737:chemistry / Q000145:classification* / Q000235:genetics / Q000276:immunology; D006801:Humans; D007592:Joint Diseases / Q000235:genetics / Q000276:immunology*; D051381:Rats; D013122:Spinal Diseases / Q000235:genetics / Q000276:immunology*
chemical_list: D015796:HLA-B27 Antigen