title: Plasma heparin concentrations in thoracic surgery. Low-dose heparin prophylaxis.
mesh_terms: D000328:Adult; D000368:Aged; D004305:Dose-Response Relationship, Drug; D005260:Female; D006493:Heparin / Q000008:administration & dosage / Q000097:blood* / Q000627:therapeutic use; D006801:Humans; D007279:Injections, Subcutaneous; D008297:Male; D008875:Middle Aged; D011013:Pneumonectomy; D011183:Postoperative Complications / Q000517:prevention & control*; D013896:Thoracic Diseases / Q000601:surgery*; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D006493:Heparin