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W Rewerski

Publications and source records attributed to W Rewerski.

At least 19 recordsLinked to original sources

[Endorphins].

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Amino Acid Sequence

Morphine action in grouped and isolated rats and mice.

The present study determines the analgesic effects of morphine in grouped and isolated rats and mice. Isolated animals developed altered behavioral patterns, including mouse-killing in rats and mutual aggressiveness in mice. The analgesic effect of morphine was tested by tail compression in rats and by the hot plate for mice. Isolated rats developing mouse-killing behavior had a raised pain threshold, while indifferent animals (nonkillers) responded less to morphine. Isolated mice, particularly low aggressors, gave enhanced responses to morphine.

Aggression