RT Journal Article SR Electronic(1) A1 Gubbels , S A1 Perner , A A1 Valentiner-Branth , P A1 Mølbak, K YR 2010 T1 National surveillance of pandemic influenza A(H1N1) infection-related admissions to intensive care units during the 2009–10 winter peak in Denmark: two complementary approaches JF Eurosurveillance VO 15 IS 49 SP 19743 OP DO https://doi.org/10.2807/ese.15.49.19743-en UL https://www.eurosurveillance.org/content/10.2807/ese.15.49.19743-en