title: Pathogenic mechanism of B27 related seronegative polyarthritis: interplay between genetic and environmental factors.
mesh_terms: D001168:Arthritis / Q000209:etiology* / Q000235:genetics / Q000276:immunology; D001172:Arthritis, Rheumatoid / Q000276:immunology; D001424:Bacterial Infections / Q000150:complications; D002874:Chromosome Mapping; D005802:Genes, MHC Class II; D006680:HLA Antigens / Q000235:genetics*; D015796:HLA-B27 Antigen; D006239:Haplotypes; D006801:Humans; D011565:Psoriasis / Q000209:etiology* / Q000235:genetics / Q000276:immunology; D013166:Spondylitis / Q000209:etiology* / Q000235:genetics / Q000276:immunology
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen