Influenza vaccination and interruption of methotrexate in adult patients in the COVID-19 era: an ongoing dilemma. (January 2021) - Mehta, Puja; Sanchez, Emilie; Moraitis, Elena; Longley, Nicky; Lendrem, Dennis W; Giles, Ian P; Chambers, Rachel C; Ciurtin, Coziana; Isaacs, John D