The provision of health care has always been a declared policy of many governments, and every nation in the modern world has a health care system through which its people can get health services. The characteristics of these systems vary greatly with the nation's economic level and political structure.
Limson, Stella G., "Primary Health Care in Omaha, Nebraska: A Case Study of Nine Primary Health Care Centers" (1986). Publications Archives, 1963-2000. 276.