title: Clinical comparison of a sustained- and a regular-release aspirin.
mesh_terms: D000328:Adult; D000368:Aged; D001168:Arthritis / Q000188:drug therapy*; D001241:Aspirin / Q000008:administration & dosage* / Q000009:adverse effects; D002986:Clinical Trials as Topic; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy*; D010919:Placebos; D013270:Stomach / Q000187:drug effects
chemical_list: D010919:Placebos; D001241:Aspirin