title: [Juvenile ankylosing spondylitis: clinical characteristics in 41 patients].
mesh_terms: D000293:Adolescent; D001171:Arthritis, Juvenile / Q000175:diagnosis; D002648:Child; D003937:Diagnosis, Differential; D006680:HLA Antigens / Q000032:analysis; D015796:HLA-B27 Antigen; D006801:Humans; D008297:Male; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen
vernacular_title: Espondilitis anquilosante juvenil: características clínicas en 41 enfermos.