Then, on Aug. 19, AstraZeneca dropped a bombshell: Iressa and chemotherapy didn't work significantly better together than chemotherapy alone.

FORBES: Why Cancer Drugs Need Genetic Testing

If the Aventis vaccine is given first, followed by the Merck one, the combination doesn't work significantly better than the vaccines given alone.

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The shrimpers reply that better marketing alone won't keep them in business, and that a big advertising blitz would eat up money few of them have.

ECONOMIST: A very big row over very small creatures