TY - GEN AU - Shearman,L P AU - Weaver,D R TI - Photic induction of Period gene expression is reduced in Clock mutant mice SN - 0959-4965 PY - 1999///0610 KW - Animals KW - CLOCK Proteins KW - Cell Cycle Proteins KW - Circadian Rhythm KW - physiology KW - Gene Expression KW - radiation effects KW - Light KW - Mice KW - Mice, Mutant Strains KW - genetics KW - Nuclear Proteins KW - Period Circadian Proteins KW - Proto-Oncogene Proteins c-fos KW - RNA, Messenger KW - metabolism KW - Reference Values KW - Suprachiasmatic Nucleus KW - Time Factors KW - Trans-Activators KW - Transcription Factors N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1097/00001756-199902250-00031 ER -