in a multicenter double-blind cross-over trial the therapeutic effect and the tolerance of d-2- ( 6'-methoxy-2'-naphthyl ) -propionic acid ( naproxen ) and indometacin were compared including 46 patients with rheumatoid arthritis , 35 patients with ankylosing spondylitis and 19 patients with osteoarthrosis .
C0027396
naproxen
C0003873
rheumatoid arthritis