Authors: Brennan, M Vitek, C Strebel, P Wattigney, W Bisgard, K Brisgalov, S Bragina, V Pyanikh, V Wharton, M

Citation: M. Brennan et al., How many doses of diphtheria toroid are required for protection in adults?Results of a case-control study among 40-to 49-year-old adults in the Russian Federation, J INFEC DIS, 181, 2000, pp. S193-S196