_:nb16245b8b11d4e98a820db2ed49d6012xb0
<http://schema.org/description>
"What are the effects of oral medical treatments to control heart rate in persons with chronic (longer than one week) nonvalvular atrial fibrillation? What is the effect of different treatment strategies for persons with persistent nonvalvular atrial fibrillation?"
<https://www.aafp.org/pubs/afp/issues/2007/0901/p701.html>