Nobre, Juliane, Nunes, Elicarlos, Yu, Ana, Sousa, Milena, Freitas, Theonys, Medeiros, Raquel, Daltro, Manuela, Rodrigues, Adyl, Melquíades Azevedo, Denisy, Oliveira, Silvia, Souza, Fabriciano, Lima, Isabella, AND Moraes, José. " Pertussis: Incidence And Surveillance In Municipalities Of 6 Regional Health Management Of Paraíba, Brazil" International Archives of Medicine [Online], Volume 9(5 March 2017)