1. COVID-19 and resilience of healthcare systems in ten countries;Arsenault;Nat. Med.,2022
2. Contestable Markets and the Theory of Industry Structure;Baumol,1988
3. Hospital Cost Analysis;Butler,1995
4. Projecting COVID-19 disruption to elective surgery;Lancet (London, England),2022
5. Economies of scale and scope in hospitals: an empirical study of volume spillovers;Freeman;Manag. Sci.,2020