Cytogen Corp. and Chiron Corp. announced Tuesday they haveexpanded their European marketing and distribution agreementcovering Cytogen's OncoScint colorectal and ovarian cancerimaging products to include the countries in Eastern Europe.The original agreement, signed in October 1989, was expandedto allow EuroCetus B.V., Chiron's European business unit, theopportunity to sell into these emerging markets. OncoScint isalready marketed in six Western European countries.

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