title: Photocell system for recording circadian drinking patterns in rodents and primates.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D004327:Drinking Behavior / Q000502:physiology*; D005849:Gerbillinae; D000882:Haplorhini; D011603:Psychophysiology / Q000295:instrumentation*; D051381:Rats