Barreto, ML; Pereira, SM; Pilger, D; Cruz, AA; Cunha, SS; Sant'Anna, C; Ichihara, MY; Genser, B; Rodrigues, LC; (2011) Evidence of an effect of BCG revaccination on incidence of tuberculosis in school-aged children in Brazil: Second report of the BCG-REVAC cluster-randomised trial. Vaccine, 29 (31). pp. 4875-4877. ISSN 0264-410X DOI: https://doi.org/10.1016/j.vaccine.2011.05.023 Full text not available from this repository.