Stewien KE, Lacerda JPG de. Application of the neutralization index comparison technique to the intratypic serodifferentiation of type 1 and 3 poliovirus strains, using Hep-2 cell cultures . Rev. saúde pública [Internet]. 1975 Jun. 1 [cited 2024 May 16];9(2):221-8. Available from: https://www.revistas.usp.br/rsp/article/view/4789