Al-Mazrou, Y., Khalil, M., Findlow, H., Chadha, H., Bosch Castells, V., Johnson, D. R., & Borrow, R. (2012). Immunogenicity and Safety of a Meningococcal Quadrivalent Conjugate Vaccine in Saudi Arabian Adolescents Previously Vaccinated with One Dose of Bivalent and Quadrivalent Meningococcal Polysaccharide Vaccines: A Phase III, Controlled, Randomized, and Modified Blind-Observer Study. American Society for Microbiology.

Al-Mazrou, Yagob, Mohamed Khalil, Helen Findlow, Helen Chadha, Valerie Bosch Castells, David R. Johnson, and Ray Borrow. Immunogenicity and Safety of a Meningococcal Quadrivalent Conjugate Vaccine in Saudi Arabian Adolescents Previously Vaccinated With One Dose of Bivalent and Quadrivalent Meningococcal Polysaccharide Vaccines: A Phase III, Controlled, Randomized, and Modified Blind-Observer Study. American Society for Microbiology, 2012.

Al-Mazrou, Yagob, et al. Immunogenicity and Safety of a Meningococcal Quadrivalent Conjugate Vaccine in Saudi Arabian Adolescents Previously Vaccinated With One Dose of Bivalent and Quadrivalent Meningococcal Polysaccharide Vaccines: A Phase III, Controlled, Randomized, and Modified Blind-Observer Study. American Society for Microbiology, 2012.