Toxic stress, epigenetics and child development Maria Clara de Magalhães-Barbosa; Arnaldo Prata-Barbosa; Antonio José Ledo Alves da Cunha;

Tuberculosis in childhood and adolescence: a view from different perspectives Tony T. Tahan; Betina M.A. Gabardo; Andrea M.O. Rossoni;

Environmental pollution and cancer Denise Bousfield da Silva; Mara Albonei Dudeque Pianovski; Neviçolino Pereira de Carvalho Filho;