TY - RPRT TI - Electron paramagnetic resonance studies on cobalamin-dependent ribonucleotide reduction. AU - J A Hamilton AU - Y Tamao AU - R L Blakley AU - R E Coffman PY - 1972 DO - 10.1021/bi00775a010 UR - https://pubmed.ncbi.nlm.nih.gov/4347698/ ID - 4347698 ER -