Iaria, S.T. 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 (Sep. 1977), 410–415. DOI:https://doi.org/10.1590/S0034-89101977000300013.