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                                                                   EXHIBIT 23(a)

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement on Form S-8 of our report dated July
21, 2000 included in Cardinal Health, Inc.'s Form 10-K for the year ended June
30, 2000.

                                                        /s/ Arthur Andersen LLP

Columbus, Ohio
February 19, 2001