TY - RPRT TI - Sample restriction using magnetic field gradients in high-resolution solid-state NMR AU - P Charmont AU - A Lesage AU - S Steuernagel AU - F Engelke AU - L Emsley PY - 2000 DO - 10.1006/jmre.2000.2117 UR - https://pubmed.ncbi.nlm.nih.gov/10910703/ ID - 10910703 ER -