Edward E.E.E.WalshEdward E.E.E., Robert W. Frenck, Jr., Ann R.A.R.FalseyAnn R.A.R., NicholasN.KitchinNicholasN., JudithJ.AbsalonJudithJ., Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine Candidates, „The New England Journal of Medicine”, 383 (25), 2020, s. 2439–2450, DOI:10.1056/NEJMoa2027906, PMID:33053279, PMCID:PMC7583697 [dostęp 2020-12-22](ang.).
Edward E.E.E.WalshEdward E.E.E., Robert W. Frenck, Jr., Ann R.A.R.FalseyAnn R.A.R., NicholasN.KitchinNicholasN., JudithJ.AbsalonJudithJ., Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine Candidates, „The New England Journal of Medicine”, 383 (25), 2020, s. 2439–2450, DOI:10.1056/NEJMoa2027906, PMID:33053279, PMCID:PMC7583697 [dostęp 2020-12-22](ang.).