But pharmaceutical chemist Derek Lowe repeats a more memorable tale while writing a post about a book called Happy Accidents: Serendipity in Modern Medical Breakthroughs.

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The Pfizer scientists "have thrown down the gauntlet: They claim that the reported Sirtris compounds do not do what they are claimed to do, " pharmaceutical chemist Derek Lowe, wrote recently on his popular In The Pipeline blog.

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"Patenting big swaths of important biochemical pathway space has the potential to turn drug development into even more of an expensive nightmare than it already is, " pharmaceutical chemist Derek Lowe wrote in his blog, In The Pipeline, last month.

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The Royal Pharmaceutical Society of Great Britain, confirmed that from wholesaler to chemist shops nobody is legally obliged to keep a record of drug batch numbers and the chemists do not keep records of which patient is dispensed drugs from which batch.

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