ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Sixty male hooded rats aged about 60 d were given solutions of morphine to drink instead of tapwater for 52 d, and from then on their access to fluids was restricted to 2 h each day, between HOOh and 1300h. After 14 d of restricted access to only morphine solutions, the rats were given 12 choice ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/272167a0
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