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PubMed
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History
- Published online February 2, 2012.
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©PDA, Inc. 2012
Author Information
- ↵* Correspondence to: Dengfeng Liu or Da Ren, Process & Product Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA 91320. Phone: (805) 313-4579, (805) 313-5317. Email: dengfeng.liu{at}gmail.com, dren{at}amgen.com