Many different sectors of modern society influence the nation's healthcare system. Government, health insurance companies, managed care organizations, academic health centers, the pharmaceutical industry, and other groups all affect healthcare. In the areas of medical access, cost, and quality, the physician remains the key to the efficiency and effectiveness of healthcare services. Eli Ginzberg and Panos Minogiannis, in Ginzberg's final book, examine the supply of health personnel in the United States. They consider the ways it has been influenced by federal and state legislation, healthcare...