TRIGGERS FOR PHYSIOLOGY. “Such a change in the circadian activity patterns involves substantial physiological and hormonal shifts.”
http://rspb.royalsocietypublishing.org/content/early/2011/02/11/rspb.2010.2567
TRIGGERS FOR PHYSIOLOGY. “Such a change in the circadian activity patterns involves substantial physiological and hormonal shifts.”
http://rspb.royalsocietypublishing.org/content/early/2011/02/11/rspb.2010.2567