1. Pritchard D, Petrilla A, Hallinan S, Taylor DH, Jr., Schabert VF, Dubois RW. What Contributes Most to High Health Care Costs? Health Care Spending in High Resource Patients. J Manag Care Spec Pharm 2016;22(2):102–9.
2. Ronksley PE, McKay JA, Kobewka DM, Mulpuru S, Forster AJ. Patterns of health care use in a high-cost inpatient population in Ottawa, Ontario: a retrospective observational study. CMAJ Open 2015;3(1):E111–8.
3. Stanton M, Rutherford M. The High Concentration of U.S. Health Care Expenditures. Res Action 2006;19:1–11.
4. Cohen SB, Yu W. The Concentration and Persistence in the Level of Health Expenditures over Time: Estimates for the U.S. Population, 2008–2009. Agency for Healthcare Research and Quality - Medical Expenditure Panel Survey. 2012;STATISTICAL BRIEF #354.
https://meps.ahrq.gov/data_files/publications/st354/stat354.pdf
. Accessed 03.09.19
5. Riley GF. Long-term trends in the concentration of Medicare spending. Health Aff 2007;26(3):808–16.