Signatures of Relaxed Selection in the CYP8B1 Gene of Birds and Mammals Shinde, Sagar Sharad ; Teekas, Lokdeep ; Sharma, Sandhya ; Vijay, Nagarjun Abstract Publication: Journal of Molecular Evolution Pub Date: September 2019 DOI: 10.1007/s00239-019-09903-6 Bibcode: 2019JMolE..87..209S