%0 Journal Article %J Polish Journal of Radiology %@ 1899-0967 %V 86 %N 1 %D 2021 %F Sklinda2021 %T Ischaemic background of brain fog in long haul COVID-19 – a nuclear magnetic resonance spectroscopy-based metabonomic analysis. Preliminary results %A Sklinda, Katarzyna %A Górecki, Andrzej %A Dorobek, Małgorzata %A Walecki, Jerzy %A Modrzyńska, Aneta %A Mruk, Bartosz %P 654-660 %9 journal article %R 10.5114/pjr.2021.111100 %U http://dx.doi.org/10.5114/pjr.2021.111100