What is the diagnostic yield of bone marrow aspiration to exclude leukaemia prior to systemic treatment in juvenile idiopathic arthritis?. (16th August 2022) - Fordham, Nicholas J.; Bartram, Jack; Ghorashian, Sara; O'Connor, David; Taylor, Alice; Sibson, Keith; Rao, Anupama; Pavasovic, Vesna; Cheng, Danny; Ancliff, Phil; Vora, Ajay; Samarasinghe, Sujith