00256nam a22000857a 4500020001800000100003900018245006100057260003900118300001300157  a9781401839659  aIVANOV L. LOUISE & BLUE CAROLYN L.  aPublic Health Nursing: Policy, Politics and Practice 1st  aUSAbDELMAR CENGAGE LEARNINGc2008  a791bILL