altogether 105 rheumatic patients , 35 in each of three groups , took part in a double-blind parallel study comparing naproxen ( naprosyn , syntex ) 500 mg suppositories with oxyphenbutazone ( tanderil , geigy ) 250 mg suppositories and placebo in postoperative pain and swelling after joint surgery .
C0027396
naproxen
C0700017
naprosyn