title: [The association between ankylosing spondylitis, Crohn's disease and HLA-B27. A study of seven patients].
mesh_terms: D000328:Adult; D000368:Aged; D003424:Crohn Disease / Q000150:complications* / Q000276:immunology; D005260:Female; D006680:HLA Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000209:etiology* / Q000276:immunology
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen
vernacular_title: Enfermedad de Crohn, espondilitis anquilosante y HLA B27: a propósito de siete casos.