Anti‐cytokine autoantibodies are rare in chronic graft‐versus‐host disease. (6th July 2021) - Sarkkinen, Joona; Lundgren, Sofie; Itälä‐Remes, Maija; Salmenniemi, Urpu; Mustjoki, Satu; Peterson, Pärt; Kekäläinen, Eliisa