TY  - RPRT
TI  - Subfunctionalization: How often does it occur? How long does it take?
AU  - Rachel Ward
AU  - Richard Durrett
PY  - 2004
DO  - 10.1016/j.tpb.2004.03.004
UR  - https://pubmed.ncbi.nlm.nih.gov/15302219/
ID  - 15302219
ER  -