CARDIOSOURCE

Computer and Scientific

Owner

ELSEVIER SCIENCE INC.

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EVOLVE

Electrical and Scientific Apparatus

Owner

ELSEVIER SCIENCE INC.

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ENGINEERINGNAVIGATOR

Advertising and Business and 3 others

Owner

ELSEVIER SCIENCE, INC.

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CHEMNAVIGATOR

Advertising and Business and 3 others

Owner

ELSEVIER SCIENCE, INC.

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SCIENCEDIRECT NAVIGATOR

Advertising and Business and 3 others

Owner

ELSEVIER SCIENCE, INC.

Dec 10, 2002
BIOMEDNET NAVIGATOR

Advertising and Business and 2 other

Owner

ELSEVIER SCIENCE, INC.

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SCIENCESEARCH

Electrical and Scientific Apparatus and 4 others

Owner

ELSEVIER SCIENCE, INC.

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CARDIOCOLLECTION

Electrical and Scientific Apparatus

Owner

ELSEVIER SCIENCE INC.

Sep 28, 1999