At Least 55 Undeclared Chemical Elements Found in COVID-19 Vaccines from AstraZeneca, CanSino, Moderna, Pfizer, Sinopharm and Sputnik V, with Precise ICP-MS. (2024). International Journal of Vaccine Theory, Practice, and Research , 3(2), 1367-1393. https://doi.org/10.56098/mt1njj52