.... ↵ Charlebois R.L. , Doolittle W.F. ( 2004 ) Computing prokaryotic gene ubiquity: Rescuing the core from extinction . Genome Res. 14 : 2469 – 2477 . ↵ Chase P. ( 1970 ) Algorithm 382: Combinations of M out of N objects [G6] Commun. ACM 13
, 368 . ↵ Chisholm S.W. , Olson R.J. , Zettler E.R. , Goericke R...