Thomas Wehr (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Thomas Wehr" in English language version.

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doi.org

Wehr, T. A. (1992). "In short photoperiods, human sleep is biphasic". Journal of Sleep Research. 1 (2): 103–107. doi:10.1111/j.1365-2869.1992.tb00019.x. PMID 10607034. S2CID 9242624.

nih.gov

pubmed.ncbi.nlm.nih.gov

Wehr, T. A. (1992). "In short photoperiods, human sleep is biphasic". Journal of Sleep Research. 1 (2): 103–107. doi:10.1111/j.1365-2869.1992.tb00019.x. PMID 10607034. S2CID 9242624.

nytimes.com

Ivry, Sarah (13 August 2002), "Seasonal Depression Can Accompany Summer Sun", The New York Times, Retrieved 14 April 2010

semanticscholar.org

api.semanticscholar.org

Wehr, T. A. (1992). "In short photoperiods, human sleep is biphasic". Journal of Sleep Research. 1 (2): 103–107. doi:10.1111/j.1365-2869.1992.tb00019.x. PMID 10607034. S2CID 9242624.