Purchasing Power Parities for Medical Care and Health Expenses: An Informal Report

International and Interarea Comparisons of Income, Output, and Prices (University of Chicago Press, 1999), chap. 6, https://www.nber.org/books-and-chapters/international-and-interarea-comparisons-income-output-and-prices/purchasing-power-parities-medical-care-and-health-expenses-informal-report.