TY - GEN AU - Williams,Cory T AU - Barnes,Brian M AU - Buck,C Loren TI - Persistence, entrainment, and function of circadian rhythms in polar vertebrates SN - 1548-9221 PY - 2015///0929 KW - Adaptation, Physiological KW - Animals KW - Biological Evolution KW - Circadian Rhythm KW - radiation effects KW - Cold Climate KW - Cold Temperature KW - Humans KW - Light KW - Photic Stimulation KW - Photoperiod KW - Species Specificity KW - Time Factors KW - Vertebrates KW - physiology N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review UR - https://doi.org/10.1152/physiol.00045.2014 ER -