title: Partial thromboplastin time as a screening test.
mesh_terms: D001778:Blood Coagulation Disorders / Q000175:diagnosis*; D001780:Blood Coagulation Tests / Q000191:economics / Q000706:statistics & numerical data*; D003365:Costs and Cost Analysis; D006761:Hospitals; D006801:Humans; D011300:Preoperative Care; D013925:Thromboplastin / Q000032:analysis*
chemical_list: D013925:Thromboplastin