Iaria, Sebastião Timo. 1977. “ Determination of 1, 2 and 3 Major Antigens in Bordetella Pertussis Strains Isolated from Brazilian Children With Whooping-Cough ”. Revista De Saúde Pública 11 (3): 410-15. https://doi.org/10.1590/S0034-89101977000300013.