Poland GA, Jacobson RM (January 2011). "The age-old struggle against the antivaccinationists". The New England Journal of Medicine. 364 (2): 97–99. doi:10.1056/NEJMp1010594. PMID21226573.
Poland GA, Jacobson RM (March 2001). "Understanding those who do not understand: a brief review of the anti-vaccine movement". Vaccine. 19 (17–19): 2440–45. doi:10.1016/S0264-410X(00)00469-2. PMID11257375.
Poland GA, Jacobson RM (January 2011). "The age-old struggle against the antivaccinationists". The New England Journal of Medicine. 364 (2): 97–99. doi:10.1056/NEJMp1010594. PMID21226573.
Poland GA, Jacobson RM (March 2001). "Understanding those who do not understand: a brief review of the anti-vaccine movement". Vaccine. 19 (17–19): 2440–45. doi:10.1016/S0264-410X(00)00469-2. PMID11257375.