title: Progressive pseudorheumatoid arthropathy of childhood (PPAC): a hereditary disorder simulating juvenile rheumatoid arthritis.
mesh_terms: D001171:Arthritis, Juvenile / Q000175:diagnosis*; D002675:Child, Preschool; D003240:Connective Tissue Diseases / Q000235:genetics*; D003937:Diagnosis, Differential; D006801:Humans