Chaves F, Dronda F, Cave MD, Alonso-Sanz M, Gonzalez-Lopez A, Eisenach KD, Ortega A, Lopez-Cubero L, Fernandez-Martin I, Catalan S, Bates JH. A longitudinal study of transmission of tuberculosis in a large prison population. Am J Respir Crit Care Med. 1997 Feb; 155(2):719-25.