TY - RPRT TI - Nucleotide substitution rate estimation in enterobacteria: approximate and maximum-likelihood methods lead to similar conclusions. AU - N G Smith AU - A Eyre-Walker PY - 2001 DO - 10.1093/oxfordjournals.molbev.a003754 UR - https://pubmed.ncbi.nlm.nih.gov/11606709/ ID - 11606709 ER -