Observations on the radiation of lobe-finned fishes, ray-finned fishes, and cartilaginous fishes: phylogeny of the opioid/orphanin gene family and the 2R hypothesis.
Dores
Robert M
RM
Department of Biological Sciences, University of Denver, Denver, CO 80210, USA. rdores@du.edu
Majeed
Qais
Q
Komorowski
Leanne
L