Direct low field J-edited diffusional proton NMR spectroscopic measurement of COVID-19 inflammatory biomarkers in human serum. - Nitschke, P; Lodge, S; Hall, D; Schaefer, H; Spraul, M; Embade, N; Millet, O; Holmes, E; Wist, J; Nicholson, JK (The Analyst, 2022)