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APA Citation
Mosites, E., Seeman, S., Negus, S., Homan, C., Morris, J., Nelson, N., Spradling, P., Bruce, M., & McMahon, B. (2020). immunogenicity of the hepatitis A vaccine 20 years after infant immunization. Vaccine, 38(32), 4940–4943. http://access.bl.uk/ark:/81055/vdc_100104111744.0x000041