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Time: 2024-03-28T13:54:12Z
URL: http://scholar.google.com/scholar_lookup?title=Direct+differentiation+of+atrial+and+ventricular+myocytes+from+human+embryonic+stem+cells+by+alternating+retinoid+signals&year=2011&author=Zhang&journal=Cell+Res&volume=21&issue=4&pages=579-587&doi=10.1038%2Fcr.2010.163&pmid=21102549