Optimal disease prevention using vaccination depends on a system.
Robbins
A
A
MacCormack Institute, University of Massachusetts, Boston, USA.
Freeman
P
P
D002675:Child, Preschool; D018166:Health Care Reform; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D011314:Preventive Health Services / Q000458:organization & administration*; D012042:Registries; D014481:United States; D014611:Vaccination