TY - JOUR AU - Hauge PY - 2020 DA - 2020// TI - Risk conditions in children hospitalized with influenza in Norway, 2017-2019 JO - BMC Infect Dis VL - 20 UR - https://doi.org/10.1186/s12879-020-05486-6 DO - 10.1186/s12879-020-05486-6 ID - Hauge2020 ER -