Reply: To PMID 23686535.
Medical University of Vienna, Vienna, Austria.
Miriam
M
Gärtner
Peter
P
Mandl
Helga
H
Radner
Gabriela
G
Supp
Klaus P
KP
Machold
Daniel
D
Aletaha
Josef S
JS
Smolen
D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007596:Joints / Q000000981:diagnostic imaging*; D008297:Male; D018608:Ultrasonography, Doppler / Q000379:methods*