Splenic T1-mapping: a novel quantitative method for assessing adenosine stress adequacy for cardiovascular magnetic resonance - Liu, A; Wijesurendra, R; Ariga, R; Mahmod, M; Levelt, E; Greiser, A; Petrou, M; Krasopoulos, G; Forfar, J; Kharbanda, R; Channon, K; Neubauer, S; et al. (Journal of Cardiovascular Magnetic Resonance, 2017)