Dagan, N., Barda, N., Kepten, E., Miron, O., Perchik, S., Katz, M. A., ... y Balicer, R. D. (2021). BNT162b2 mRNA Covid-19 vaccine in a nationwide mass vaccination setting. New England Journal of Medicine, 384(15), 1412-1423. https://doi.org/10.1056/NEJMoa2101765