Increasing childhood immunization coverage by improving the effectiveness of primary health care systems for children.
Guyer
B
B
Hughart
N
N
D002662:Child Health Services / Q000458:organization & administration*; D002675:Child, Preschool; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D007223:Infant; D011320:Primary Health Care / Q000458:organization & administration*; D014481:United States