Rodrigues, L. C., Sterne, J. A. C. and Guedes, I. N. (1995) “ Does the efficacy of BCG decrease with time since vaccination?a meta analyis ”, São Paulo Medical Journal, 113(2), p. 11. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/1766 (Accessed: 16 October 2025).