TY - RPRT TI - Gradual evolution in bacteria: evidence from Bacillus systematics. AU - Michael Feldgarden AU - Noah Byrd AU - Frederick M Cohan PY - 2003 DO - 10.1099/mic.0.26457-0 UR - https://pubmed.ncbi.nlm.nih.gov/14663088/ ID - 14663088 ER -