title: Laboratory control of heparin therapy with the activated partial thromboplastin time test.
mesh_terms: D001780:Blood Coagulation Tests; D006493:Heparin / Q000627:therapeutic use*; D008722:Methods; D013925:Thromboplastin; D013997:Time Factors
chemical_list: D006493:Heparin; D013925:Thromboplastin