title: HL-A B27 disease in women.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000276:immunology
chemical_list: D006649:Histocompatibility Antigens