Cerritelli, S M, Iranzo, J, Sharma, S, Chabes, A, Crouch, R J, Tollervey, D & El hage, A 2020, ' High density of unrepaired genomic ribonucleotides leads to Topoisomerase 1-mediated severe growth defects in absence of ribonucleotide reductase ', Nucleic Acids Research . https://doi.org/10.1093/nar/gkaa103 Nucleic Acids Research