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IP address: 44.222.212.138
Time: 2024-03-28T13:25:00Z
URL: http://scholar.google.com/scholar_lookup?title=Melanopsin+%28Opn4%29+requirement+for+normal+light-induced+circadian+phase+shifting&year=2002&author=Panda&journal=Science&volume=298&issue=5601&pages=2213-2216&doi=10.1126%2Fscience.1076848&pmid=12481141