title: From Still's disease and JRA to JCPA, JCA, and JA: medical progress or biased ascertainment?
mesh_terms: D001171:Arthritis, Juvenile / Q000145:classification* / Q000175:diagnosis / Q000276:immunology / Q000503:physiopathology; D003937:Diagnosis, Differential; D006680:HLA Antigens / Q000032:analysis; D015796:HLA-B27 Antigen; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000175:diagnosis
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen