Association between imposition of a Maintenance of Certification requirement and ambulatory care-sensitive hospitalizations and health care costs
JAMA (2014) - Comments
pubmed: 25490325  doi: 10.1001/jama.2014.12716  issn: 1538-3598  issn: 0098-7484 

Bradley M. Gray, Jonathan L. Vandergrift, Mary M. Johnston, James D. Reschovsky, Lorna A. Lynn, Eric S. Holmboe, Jeffrey S. McCullough, Rebecca S. Lipner