0001104659-04-001032 | SC 13G | Charles River Laboratories International, Inc.

Investor Relations

Charles River provides essential products and services to help pharmaceutical and biotechnology companies, government agencies and leading academic institutions around the globe accelerate their research and drug development efforts. Our dedicated employees are focused on providing clients with exactly what they need to improve and expedite the discovery, early-stage development and safe manufacture of new therapies for the patients who need them.

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Form

SC 13G

Filing Date

Jan 16, 2004

Document Date

Jan 16, 2004

Form Description

A statement of beneficial ownership of common stock by certain persons

Filing Group

Other

Company

Charles River Laboratories International, Inc.

Issuer

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

Filer

PRIMECAP MANAGEMENT CO/CA/

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Investor Relations

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