A study of interleukin-33 in rheumatoid arthritis patients Correlations between ultrasonographic findings, clinical scores, and depression in patients with knee osteoarthritis Study of serum and synovial fluid Dickkopf-1 levels in patients with primary osteoarthritis of the knee joint in correlation with disease activity and severity Extracorporeal shock wave therapy (ESWT) versus local corticosteroid injection in treatment of lateral epicondylitis (tennis elbow) in athletes: clinical and ultrasonographic evaluation Serum fibrinogen to albumin ratio in patients with ankylosing spondylitis: correlation with disease activity and severity Ultrasonographic findings in patients with chronic kidney disease with asymptomatic hyperuricemia Collagen triple-helix repeat containing 1 (CTHRC1) protein in rheumatoid arthritis patients: Relation to disease clinical, radiographic and ultrasound scores Anti-vinculin antibodies as a novel biomarker in Egyptian patients with systemic sclerosis