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The key immediate task for the centres - in addition to building up and maintaining their capacity - will be to address the need for conversion courses for graduates wishing to study their chosen specialism in relation to China at Masters level or beyond . This sustained growth will allow established products such as Genentech / Roche 's Rituxan and Novartis ' Glivec to maintain their blockbuster status , while allowing newer products such as Genentech / Roche 's Herceptin , Avastin and Tarceva to break the $ 1 billion sales barrier within the forecast period . Among other things , the programs can help American farmers and ranchers meet environmental requirements while maintaining their profitability . Ironically , DeMarche 's last study , a report that was issued in 1999 , found that foundations could have maintained their portfolio purchasing power over the past 49 years with a payout of 6.5 percent , although DeMarche qualified that conclusion by stating that the high returns of the past 15 years may have distorted its findings . If he were an adult , he would find a welcoming sub-culture which maintains their lifestyle very privately .