Wallinga, J; Teunis, P (2004). "Different epidemic curves for severe acute respiratory syndrome reveal similar impacts of control measures". American Journal of Epidemiology. 160 (6): 509–16. doi:10.1093/aje/kwh255. PMID15353409.
Wallinga, J; Teunis, P (2004). "Different epidemic curves for severe acute respiratory syndrome reveal similar impacts of control measures". American Journal of Epidemiology. 160 (6): 509–16. doi:10.1093/aje/kwh255. PMID15353409.