TY - RPRT TI - A method for determining the positional isotope exchange in a nucleoside triphosphate: cyclization of nucleoside triphosphate by dicyclohexylcarbodiimide. AU - M R Webb PY - 1980 DO - 10.1021/bi00562a004 UR - https://pubmed.ncbi.nlm.nih.gov/7426626/ ID - 7426626 ER -