EX-23.1 4 a2131263zex-23_1.htm EXHIBIT 23.1
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Exhibit 23.1

INDEPENDENT AUDITORS' CONSENT

The Board of Directors
NeoRx Corporation:

We consent to the use of our report incorporated by reference herein and to the reference to our firm under the heading "Experts" in the prospectus.

s/KMPG LLP
Seattle, Washington
March 16, 2004