AU - McDermott M TI - Medications for improving walking performance in peripheral artery disease: Still miles to go PT - JOUR DP - 2013 TA - JAMA pages = {487-488}, VI - 309 IP - 5 AID - 10.1001/jama.2013.89 [doi] 4100 - http://dx.doi.org/10.1001/jama.2013.89 SO - JAMA February 6, 2013 309(5):487