TY - JOUR A1 - Nunes, B. A1 - Natário, I. A1 - Carvalho, M.L. T1 - Time series methods for obtaining excess mortality attributable to influenza epidemics Y1 - 2011 DO - 10.1177/0962280209340201 JF - Statistical Methods in Medical Research VL - 20 IS - 4 ER -