TY  - RPRT
TI  - Did DNA replication evolve twice independently?
AU  - D D Leipe
AU  - L Aravind
AU  - E V Koonin
PY  - 1999
DO  - 10.1093/nar/27.17.3389
UR  - https://pubmed.ncbi.nlm.nih.gov/10446225/
ID  - 10446225
ER  -