Barriers to immunization and missed opportunities.
Santoli
J M
JM
National Immunization Program, Centers for Disease Control, Atlanta, GA 30333, USA.
Szilagyi
P G
PG
Rodewald
L E
LE
D002648:Child; D002662:Child Health Services; D003695:Delivery of Health Care; D006801:Humans; D007115:Immunization Schedule; D010290:Parents; D011785:Quality Assurance, Health Care; D011787:Quality of Health Care; D014481:United States; D014611:Vaccination