EX-23 2 0002.txt CONSENT OF INDEPENDENT AUDITORS CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8, No. 333-01951) pertaining to the AmeriSource Corporation Employee Investment Plan of our report dated May 17, 2000, with respect to the financial statements and schedules of the AmeriSource Corporation Employee Investment Plan included in this Annual Report (Form 11-K) for the year ended December 31, 1999. /s/ Ernst & Young LLP Philadelphia, Pennsylvania June 22, 2000