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Science 26 July 2002:
Vol. 297. no. 5581, p. 473
DOI: 10.1126/science.297.5581.473a
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This Week in Science

A carefully controlled replication by Wright and Czeisler (p. 571; see the news story by Barinaga) of results previously reported in Science show that light exposure to the back of the knees does not in fact phase-shift the human circadian clock.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)