1. 
   Iressa
   Iressa: Brand name for gefitinib, a drug that attaches to the epidermal growth factor receptor (EGFR) on the surfaces of cells . People with non-small-cell lung cancer who have a mutation in the gene for EGFR enjoy a rapid and often dramatic response to the drug. For more information, see: gefitinib...
   Found op http://www.medterms.com/script/main/art.html?articlekey=32383
   
   
2. 
   Iressa
   A drug that is used to treat certain types of non-small cell lung cancer and is being studied in the treatment of other types of cancer. It is a type of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor. Also called gefitinib and ZD1839.
   Found op http://www.cancer.gov/dictionary?expand=I
   
   
3. 
   Iressa
   [moth] Iressa is a genus of cosmet moths (family Cosmopterigidae). It belongs to subfamily Cosmopteriginae. They are characterized mainly by their wing venation: in the forewings, vein 1b is not forked and veins 2-4 are separate, while veins 6-8 are not; veins 6 and 7 are stalked and arise f...
   Found op http://en.wikipedia.org/wiki/Iressa_(moth)
   
   

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