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Sleep. 2011 Nov 1;34(11):1455-6. doi: 10.5665/sleep.1370.

Back to the future or forward to the past?

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  • University of Pennsylvania and the Philadelphia Veterans Affairs Medical Center, Philadelphia, PA 19104, USA. skuna@mail.med.upenn.edu

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PMID:
22043113
[PubMed - indexed for MEDLINE]
PMCID:
PMC3198198
Free PMC Article
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