Hans Zauner

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The possession of a conspicuous extension of colored ventral rays of the caudal fin in male fish of swordtails (genus Xiphophorus) is a prominent example for a trait that evolved by sexual selection. To understand the evolutionary history of this so-called sword molecularly, it is of interest to unravel the developmental pathways responsible for extended(More)
There is some evidence for a relation between critical life-events and the excessive drinking of alcoholics; the present study fits well into the approach of life-event-research assuming an aggregation of life-events and difficulties to elicit or cause excessive drinking. In all 25 men who were in danger of becoming excessive drinkers and 29 who were(More)
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