Freeman, David A The thalamic intergeniculate leaflet modulates photoperiod responsiveness in Siberian hamsters. [electronic resource] - Brain research Nov 2004 - 31-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0006-8993 Standard No.: 10.1016/j.brainres.2004.08.049 doi Subjects--Topical Terms: AnimalsBiological Clocks--physiologyCircadian Rhythm--physiologyCricetinaeFemaleGeniculate Bodies--physiologyMaleNeural Pathways--physiologyPhodopusPhotoperiodSuprachiasmatic Nucleus--physiologyTime Perception--physiology