Chicago

Closser, Svea, Anat Rosenthal, Thomas Parris, Kenneth Maes, Judith Justice, Kelly Cox, Matthew A Luck et al. 2012. Methods for Evaluating the Impact of Vertical Programs On Health Systems: Protocol for a Study On the Impact of the Global Polio Eradication Initiative On Strengthening Routine Immunization and Primary Health Care. : BioMed Central Ltd..