Could I have a statement, please? <a href=" http://www.qeiicc.co.uk/tretinoin-cream-005-buy-online-uk.pdf#england ">where can i buy tretinoin cream in the uk</a> Greifeld also used the CNBC interview to defend Nasdaq's communication during the flash freeze. He and other Nasdaq executives were in constant communication with other exchanges and major market participants during the outage, he said.