Analysis of cocaine samples from amnesty bins located at a major UK summer music festival over a 10-year period using both low-field benchtop NMR (60 MHz) and medium-field NMR (400 MHz) for comparison. - Frinculescu A; Parkes HG; Patel F; Shine T; Ramsey J; Frascione N; Abbate V (Forensic science international, 2026)