Attitudes and beliefs of parents concerned about vaccines: impact of timing of immunization information.
Pediatrics. 2011 May;127 Suppl 1(Suppl 1):S120-6. doi: 10.1542/peds.2010-1722R. Epub 2011 Apr 18.
Pediatrics. 2011.
PMID: 21502250
Free PMC article.