title: Stability of the activated partial thromboplastin time used to monitor unfractionated heparin.
authors.forename: M
authors.initials: M
authors.lastname: Ray
mesh_terms: D016903:Drug Monitoring / Q000379:methods / Q000592:standards; D006493:Heparin / Q000097:blood*; D006801:Humans; D010314:Partial Thromboplastin Time / Q000592:standards*
chemical_list: D006493:Heparin