4Carotti M,Salsffi F,Manganelli P,et al.Power Doppler sonography in assesment of synovial tissue of the knee joint in rheumatoid arthritis:A preliminary experience[J].Ann Rheum Dis,2002,61(10):877~882.
5Walther M,Harms H,Krenn V,et al.Correlation of power doppler sonography with osteoarthritis and rheumatoid arthritis[J].Arthritis Rheum,2001,44(2):331~338.
7Klauser A,Frauscher F,Schirmer M,et al.The value of contrast-enhanced color doppler ultrasound in the detection of vascularization of finger joints in patients with rheumatoid arthitis[J].Arthritis Rheumatism,2002,46(3):647~653.
8Magarejji N,Gugliej Mi,Di Matteo L,et al.Diagnostic utility of an echo-constrast agent in patients with synovitis using power doppler ultrasound:A preliminary study with comparison to contrast-enhances MRI[J].Eur Radiol,2001,11:1039~1046.
9Pererfy CG.MRI in rheumatoid arthritis:Current status and future directions[J].J Rheumatol,2001,28:1134~1142.
10Valeri G,Ferrara C,Ercolani P,et al.Tendon involvement in rheumatoid arthritis of the wrist:MRI findings[J].Skeletal Radiol,2001,30:138~143.