At Least 55 Undeclared Chemical Elements Found in COVID-19 Vaccines from AstraZeneca, CanSino, Moderna, Pfizer, Sinopharm and Sputnik V, with Precise ICP-MS. International Journal of Vaccine Theory, Practice, and Research , [S. l.], v. 3, n. 2, p. 1367–1393, 2024. DOI: 10.56098/mt1njj52. Disponível em: https://ijvtpr.com/index.php/IJVTPR/article/view/111.. Acesso em: 12 feb. 2025.