@inbook{1186313599,
author={Gursharan Sohi and Michael Pratte},
title={Prescription of tramadol is associated with higher rates of adverse clinical outcomes compared to codeine in patients with chronic, noncancer pain},
booktitle={2 Minute Medicine},
publisher={McGraw Hill},
address={New York, NY},
year={2015},
url={accessmedicine.mhmedical.com/updatesContent.aspx?gbosid=572003}
}