title: The need for both macroscopy and microscopy in dealing with spectral structure.
authors.affiliation: Chronobiology Laboratories, University of Minnesota, Minneapolis.
authors.forename: G
authors.initials: G
authors.lastname: Cornélissen
authors.forename: F
authors.initials: F
authors.lastname: Halberg
authors.forename: S
authors.initials: S
authors.lastname: Sánchez de la Peña
authors.forename: J Y
authors.initials: JY
authors.lastname: Wu
authors.forename: F
authors.initials: F
authors.lastname: Carandente
mesh_terms: D000818:Animals; D001831:Body Temperature; D002940:Circadian Rhythm; D051381:Rats; D013493:Suprachiasmatic Nucleus / Q000502:physiology*