Federal Reserve Bank of Chicago. Research Department and Federal Reserve Bank of Chicago. "The Impact of the Covid-19 Pandemic on Health Insurers, No. 471" in Chicago Fed Letter (September 2022). https://fraser.stlouisfed.org/title/5287/item/660755, accessed on May 20, 2024.
- doi: https://doi.org/10.21033/cfl-2022-471