1. Food and Drug Administration. Vaxelis (diphtheria and tetanus toxoids and acellular pertussis adsorbed, inactivated poliovirus, Haemophilus b conjugate [meningococcal protein conjugate] and Hepatitis B [recombinant] vaccine). [Package insert]. Silver Spring, MD: US Department of Health and Human Services, Food and Drug Administration; 2018. https://www.fda.gov/media/119465/download
2. Do too many shots due lead to missed vaccination opportunities? Does it matter?;Meyerhoff;Prev Med,2005
3. Use of combination vaccines is associated with improved coverage rates.;Marshall;Pediatr Infect Dis J,2007
4. Ezeanolue E, Harriman K, Hunter P, Kroger A, Pellegrini C. General best practice guidelines for immunization. Best practice guidance of the Advisory Committee on Immunization Practices (ACIP). Atlanta, GA: US Department of Health and Human Services, CDC; 2019. https://www.cdc.gov/vaccines/hcp/acip-recs/general-recs/index.html
5. Immunogenicity, safety and tolerability of a hexavalent vaccine in infants.;Marshall;Pediatrics,2015