title: Heparin lock-induced alterations in the activated partial thromboplastin time.
mesh_terms: D001780:Blood Coagulation Tests; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D009339:Needles; D011517:Prothrombin Time; D013924:Thrombophlebitis / Q000517:prevention & control*; D013925:Thromboplastin; D013997:Time Factors
chemical_list: D006493:Heparin; D013925:Thromboplastin