Author/Authors :
Dixie E. Snider MD MPH، نويسنده , , Stephen B. Thacker MD MSc، نويسنده ,
Keywords :
14:308–316) © 1998 American Jour , CDC , disease prevention and control , populationhealth , Intervention , Public Health Surveillance , Research , epidemiology , laboratory sciences , Infectious Diseases , polio , lead toxicity , AIDS. (Am J Prev Med 1998 , Smallpox