Authors: Mullooly, J Drew, L DeStefano, F Chen, R Okoro, K Swint, E Immanuel, V Ray, P Lewis, N Vadheim, C Lugg, M

Citation: J. Mullooly et al., Quality of HMO vaccination databases used to monitor childhood vaccine safety, AM J EPIDEM, 149(2), 1999, pp. 186-194