Metcalf, C. J., P. Klepac, M. Ferrari, R. F. Grais, A. Djibo, and B. T. Grenfell. 2011. Modelling the first dose of measles vaccination: the role of maternal immunity, demographic factors, and delivery systems. Epidemiol Infect 139:265-274.
Metcalf, C. J., P. Klepac, M. Ferrari, R. F. Grais, A. Djibo, and B. T. Grenfell. 2011. Modelling the first dose of measles vaccination: the role of maternal immunity, demographic factors, and delivery systems. Epidemiol Infect 139:265-274.