A double-blind controlled study comparing sulphasalazine with placebo in rheumatoid factor (RF)-negative rheumatoid arthritis.
Farr
M
M
Department of Rheumatology, University of Birmingham.
Waterhouse
L
L
Johnson
A E
AE
Kitas
G D
GD
Jubb
R W
RW
Bacon
P A
PA
D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000188:drug therapy*; D001799:Blood Sedimentation; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012217:Rheumatoid Factor / Q000032:analysis*; D012460:Sulfasalazine / Q000009:adverse effects / Q000627:therapeutic use*
D010919:Placebos; D012460:Sulfasalazine; D012217:Rheumatoid Factor