title: How to interpret a prolonged prothrombin time or activated partial thromboplastin time.
authors.affiliation: NHS Blood and Transplant, John Radcliffe Hospital, Oxford OX3 9DU. michael.desborough@ouh.nhs.uk
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Desborough
authors.forename: David M
authors.initials: DM
authors.lastname: Keeling
mesh_terms: D001780:Blood Coagulation Tests; D020147:Coagulation Protein Disorders / Q000150:complications / Q000175:diagnosis; D003937:Diagnosis, Differential; D006470:Hemorrhage / Q000453:epidemiology* / Q000503:physiopathology; D006801:Humans; D010314:Partial Thromboplastin Time; D011517:Prothrombin Time; D018570:Risk Assessment