Scientists find on-off cell switch in eye

Boston scientists have discovered a blood vessel cell switch that controls vessel growth, opening the way for new drugs to combat eye problems.

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<p><a href="http://www.physorg.com/news67179330.html">Scientists find on-off cell switch in eye</a></p> <p>Boston scientists have discovered a blood vessel cell switch that controls vessel growth, opening the way for new drugs to combat eye problems. </p>