Authors: Singh, J Harit, AK Jain, DC Panda, RC Tewari, KN Bhatia, R Sokhey, J

Citation: J. Singh et al., Diphtheria is declining but continues to kill many children: analysis of data from a sentinel centre in Delhi, 1997, EPIDEM INFE, 123(2), 1999, pp. 209-215