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Representative (a) 1H and (b) 31P MR spectra from perfused cells acquired at 400 MHz, with 128 and 2000 averages respectively, at the 12 h time point. Abbreviations: tCho, total choline; Cr, creatine; Glx, glutamine + glutamate; LacTG, lactate/triglyceride; PC, phosphocholine; DPDE, diphosphodiester, Pi, inorganic phosphate; NTP, nucleoside triphosphate.
