McMichael A, Poulos C, Vass C, Boeri M. A literature review assessing the most common attributes used in stated-preference studies assessing influenza vaccination: do we know what health care professionals value? Poster presented at the ISPOR 2023 Conference; May 7, 2023. Boston, MA. [abstract] Value Health. 2023 Jun; 26(6 supplement):S329-30. doi: 10.1016/j.jval.2023.03.1876