TY - RPRT TI - Dynamic nuclear polarization with biradicals. AU - Kan-Nian Hu AU - Hsiao-hua Yu AU - Timothy M Swager AU - Robert G Griffin PY - 2004 DO - 10.1021/ja039749a UR - https://pubmed.ncbi.nlm.nih.gov/15339160/ ID - 15339160 ER -