Radical‐free hyperpolarized MRI using endogenously occurring pyruvate analogues and UV‐induced nonpersistent radicals.Published in:NMR in Biomedicine, 2021, v. 34, n. 11, p. 1, doi. 10.1002/nbm.4584By:Zanella, Claudia C.;Capozzi, Andrea;Yoshihara, Hikari A. I.;Radaelli, Alice;Mackowiak, Adèle L. C.;Arn, Lionel P.;Gruetter, Rolf;Bastiaansen, Jessica A. M.Publication type:Article