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. 1971 Jul 30;173(3995):456-9.
doi: 10.1126/science.173.3995.456.

Ethanol preference in the rat as a function of photoperiod

Ethanol preference in the rat as a function of photoperiod

I Geller. Science. .

Abstract

Ethanol-drinking was induced in laboratory rats that were maintained in total darkness. The established preference for ethanol was not reversed under conditions of constant illumination although a decrease in ethanol intake occurred. Administration of melatonin to rats maintained under "normal" photoperiods (9 hours of darkness during a 24-hour day) also induced ethanol-drinking.

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