TY  - RPRT
TI  - Protein evolution. How far can sequences diverge?
AU  - C Chothia
AU  - M Gerstein
PY  - 1997
DO  - 10.1038/385579a0
UR  - https://pubmed.ncbi.nlm.nih.gov/9024652/
ID  - 9024652
ER  -