[1]
G. Nigenda-López, E. Orozco, e R. Leyva, “ Motives for non-vaccination: critical review of the international literature, 1950-1990 ”, Rev. saúde pública, vol. 31, nº 3, p. 313–321, jun. 1997, doi: 10.1590/S0034-89101997000300015.