@misc{indiciaebdf9a40e7b77, title = {Structure and evolution of the XcyI restriction-modification system.}, author = {B E Withers and L A Ambroso and J C Dunbar}, year = {1992}, doi = {10.1093/nar/20.23.6267}, url = {https://pubmed.ncbi.nlm.nih.gov/1475187/}, note = {Source identifier: 1475187} }