title: The activated partial thromboplastin time.
mesh_terms: D001780:Blood Coagulation Tests / Q000592:standards*; D006493:Heparin / Q000008:administration & dosage* / Q000097:blood; D006801:Humans; D013925:Thromboplastin
chemical_list: D006493:Heparin; D013925:Thromboplastin