title: Circadian rhythms, space research and manned space flight.
authors.affiliation: Princeton University, USA.
authors.forename: C S
authors.initials: CS
authors.lastname: Pittendrigh
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000502:physiology*; D001831:Body Temperature; D002940:Circadian Rhythm / Q000502:physiology*; D006224:Cricetinae; D006801:Humans; D008027:Light; D008297:Male; D051379:Mice; D009043:Motor Activity; D051381:Rats; D012106:Research; D013026:Space Flight