Robert Pear, “Shaping Health Policy for Millions, and Still Treating Some on the Side,” New York Times, March 29, 2016.

Donald M. Berwick, “The Toxicity of Pay for Performance”, Quality Management in Health Care 4, no. 1 (1995), pp. 27–33.

Wasfy et al., “Public Reporting in Cardiovascular Medicine”; Claire Noel-Mill and Keith Lind, “Is Observation Status Substituting for Hospital Readmission?” Health Affairs Blog, October 28, 2015; as well as https://www.medicare.gov/hospitalcompare/Data/30-day-measures.html.