title: A double-blind, cross-over study of naproxen sodium and soluble aspirin in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001241:Aspirin / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009288:Naproxen / Q000627:therapeutic use*; D011897:Random Allocation
chemical_list: D009288:Naproxen; D001241:Aspirin