AU - O’Dell M TI - POst-op tonic PT - JOUR DP - 2010 TA - JAMA pages = {112}, VI - 303 IP - 2 AID - 10.1001/jama.2009.1868 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.1868 SO - JAMA January 13, 2010 303(2):112