Tuberculosis preventive treatment in children and adolescents: an observational study of secondary data Tony Tannous Tahan; Andrea Maciel de Oliveira Rossoni; Mauricio Bedim dos Santos; Juliana Taques Pessoa da Silveira; Simoni Pimenta de Oliveira; Cristina de Oliveira Rodrigues;

Tuberculosis among young contacts of patients with multidrug-resistant pulmonary tuberculosis in a reference hospital Evelyn F. Rubin; Sheila C. Lucena; Marcela Bhering; Lorrayne Gonçalves; Fabiana Falcão; Margareth Dalcomo; Giovanni B. Migliori; Laura Saderi; Giovanni Sotgiu; Afrânio Kritski; Anna C.C. Carvalho;

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