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. 2021 May 1;48(8):2500–2524. doi: 10.1007/s00259-021-05375-3

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© The Author(s) 2021

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Fig. 6 — Perfusion SPECT/CT images of a heterogenous perfusion pattern in a case of COVID-19 pneumonia. Shown are the hybrid images (a/b), the perfusion SPECT (c/d), and the non-contrast enhanced CT images (e/f)