[1]
Stewien, K.E. and Lacerda, J.P.G. de 1977. The use of the microtechnique for intratypic serodifferentiation of type 1 and 3 poliovirus strains . Revista de Saúde Pública. 11, 1 (Mar. 1977), 135–142. DOI:https://doi.org/10.1590/S0034-89101977000100012.