doi> DAY, T ; GALVANI, A ; STRUCHINER, C. J. ; GUMEL, A . The evolutionary consequences of vaccination. Vaccine (Guildford), v. 26, p. C1-C3, 2008.
doi> DAY, T ; GALVANI, A ; STRUCHINER, C. J. ; GUMEL, A . The evolutionary consequences of vaccination. Vaccine (Guildford), v. 26, p. C1-C3, 2008.