AU - Cassel CK TI - PHysician quality and maintenance of certification—reply PT - JOUR DP - 2012 TA - JAMA pages = {2562-2563}, VI - 308 IP - 24 AID - 10.1001/jama.2012.131781 [doi] 4100 - http://dx.doi.org/10.1001/jama.2012.131781 SO - JAMA December 26, 2012 308(24):2562