title: Physicians' health study: aspirin and primary prevention of coronary heart disease.
mesh_terms: D001241:Aspirin / Q000627:therapeutic use*; D002318:Cardiovascular Diseases / Q000517:prevention & control; D003327:Coronary Disease / Q000517:prevention & control*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010820:Physicians
chemical_list: D001241:Aspirin