TY  - RPRT
TI  - Sequence variability in bacterial cytochromes c.
AU  - R P Ambler
PY  - 1991
DO  - 10.1016/s0005-2728(05)80266-x
UR  - https://pubmed.ncbi.nlm.nih.gov/1646017/
ID  - 1646017
ER  -