Factoid: There are nine CD20 mAbs in clinical development seeking to supersede Rituxan in whole or in part. Source: Research and Markets <a href="http://finance.yahoo.com/news/Research-and-Markets-CD20-bw-14194062.html" target="_blank">http://finance.yahoo.com/news/Research-and-Markets-CD20-bw-14194062.html</a>