title: A trial of low-dose heparin therapy in open heart surgery patients.
mesh_terms: D000328:Adult; D000368:Aged; D006348:Cardiac Surgical Procedures; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D005260:Female; D006331:Heart Diseases / Q000601:surgery*; D006493:Heparin / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011292:Premedication; D011446:Prospective Studies; D011897:Random Allocation
chemical_list: D006493:Heparin