Authors: El Ibiary, S de Coster, EJM Tolba, FM van Maaren, P Wasily, L van Cleeff, M el Saied, K Veen, J Zaher, HAA Borgdorff, MW

Citation: S. El Ibiary et al., Trend in the annual risk of tuberculous infection in Egypt, 1950-1996, INT J TUBE, 3(4), 1999, pp. 294-299