%0 Journal Article %A M Backhaus %A G-R Burmester %A T Gerber %A W Grassi %A K P Machold %A W A Swen %A R J Wakefield %A B Manger %T Guidelines for musculoskeletal ultrasound in rheumatology %D 2001 %R 10.1136/ard.60.7.641 %J Annals of the Rheumatic Diseases %P 641-649 %V 60 %N 7 %U https://ard.bmj.com/content/annrheumdis/60/7/641.full.pdf