title: Evaluation of a photoelectric clot timer in the determination of the activated partial thromboplastin time.
mesh_terms: D001331:Automation; D001778:Blood Coagulation Disorders / Q000175:diagnosis; D001780:Blood Coagulation Tests / Q000295:instrumentation / Q000379:methods; D005069:Evaluation Studies as Topic; D006467:Hemophilia A / Q000097:blood; D006801:Humans; D007202:Indicators and Reagents; D008297:Male; D013925:Thromboplastin; D013997:Time Factors
chemical_list: D007202:Indicators and Reagents; D013925:Thromboplastin