Metcalf, CJ; Lessler, J; Klepac, P; Cutts, F; Grenfell, BT; (2012) Impact of birth rate, seasonality and transmission rate on minimum levels of coverage needed for rubella vaccination. Epidemiology and infection, 140 (12). pp. 2290-301. ISSN 0950-2688 DOI: https://doi.org/10.1017/S0950268812000131

Enquselassie, F; Ayele, W; Dejene, A; Messele, T; Abebe, A; Cutts, FT; Nokes, DJ; (2003) Seroepidemiology of measles in Addis Ababa, Ethiopia: implications for control through vaccination. Epidemiology and infection, 130 (3). pp. 507-19. ISSN 0950-2688 DOI: https://doi.org/10.1017/s0950268803008446