Friedman, Samara Ultrasonography of the hip in the evaluation of children with seronegative juvenile rheumatoid arthritis. [electronic resource] - The Journal of rheumatology Mar 2002 - 629-32 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0315-162X Subjects--Topical Terms: AdolescentAntibodies, Antinuclear--bloodArthritis, Juvenile--diagnostic imagingChildChild, PreschoolFemaleFemur Neck--diagnostic imagingHip Joint--diagnostic imagingHumansMaleRange of Motion, ArticularUltrasonography