TY - BOOK AU - Turnock, Bernard J. AU - ED - ED - ED - ED - TI - : what it is and how it works SN - 9780763754440 (paperback : alkaline paper);0763754447 (paperback : alkaline paper) SN - 2 PY - 2009///.;copyright 200946 CY - Sudbury, Massachusetts PB - Jones and Bartlett Publishers KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Public health;Public health administration;Public Health Administration;Health Services;Public Health KW - United States.;United States.;United States.;United States.;United States N1 - Includes bibliographical references and index; What is public health? -- Health from an ecological perspective -- Public health and the health system -- Law, government, and public health -- Core functions and public health practice -- The infrastructure of public health -- Public health interventions -- Public health emergency preparedness and response -- Future challenges for public health in America; 5 ER -