ΒιΆΉΣ³»΄«Γ½βs Lynn Unruh is one of four authors of an exhaustive publication on the United States health system recently published by the World Health Organizationβs European Observatory on Health Systems and Policies. The 467-page book, titled United States of America Health Systems in Transition, includes βeverything you want to knowβ about the U.S. health care system, according to the observatory,…