Khalil, M., Al-Mazrou, Y., Findlow, H., Chadha, H., Bosch Castells, V., Johnson, D. R., & Borrow, R. (2012). Safety and Immunogenicity of a Meningococcal Quadrivalent Conjugate Vaccine in Five- to Eight-Year-Old Saudi Arabian Children Previously Vaccinated with Two Doses of a Meningococcal Quadrivalent Polysaccharide Vaccine. American Society for Microbiology.

Khalil, Mohamed, Yagob Al-Mazrou, Helen Findlow, Helen Chadha, Valerie Bosch Castells, David R. Johnson, a Ray Borrow. Safety and Immunogenicity of a Meningococcal Quadrivalent Conjugate Vaccine in Five- to Eight-Year-Old Saudi Arabian Children Previously Vaccinated With Two Doses of a Meningococcal Quadrivalent Polysaccharide Vaccine. American Society for Microbiology, 2012.

Khalil, Mohamed, et al. Safety and Immunogenicity of a Meningococcal Quadrivalent Conjugate Vaccine in Five- to Eight-Year-Old Saudi Arabian Children Previously Vaccinated With Two Doses of a Meningococcal Quadrivalent Polysaccharide Vaccine. American Society for Microbiology, 2012.