title: The PT and the pendulum.
authors.forename: S R
authors.initials: SR
authors.lastname: Florell
authors.forename: G M
authors.initials: GM
authors.lastname: Rodgers
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D006801:Humans; D011517:Prothrombin Time; D012015:Reference Standards; D012016:Reference Values; D013927:Thrombosis / Q000517:prevention & control
chemical_list: D000925:Anticoagulants