Hofman, M A Circadian oscillations of neuropeptide expression in the human biological clock. [electronic resource] - Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology Nov 2003 - 823-31 p. digital Publication Type: Journal Article ISSN: 0340-7594 Standard No.: 10.1007/s00359-003-0458-3 doi Subjects--Topical Terms: AdolescentAdultAgedAged, 80 and overBiological Clocks--physiologyChildCircadian Rhythm--physiologyGene Expression Regulation--physiologyHumansMiddle AgedNeuropeptides--biosynthesisNonlinear DynamicsSuprachiasmatic Nucleus--metabolism