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Verheijen MH, Karperien M, Chung U, van Wijuen M, Heystek H, Hendriks JA, Veltmaat JM, Lanske B, Li E, Löwik CW, de Laat SW, Kronenberg HM, Defize LH.Verheijen MH, et al. Among authors: chung u.Mech Dev. 1999 Mar;81(1-2):151-61. doi: 10.1016/s0925-4773(98)00240-8.Mech Dev. 1999.PMID: 10330492Free article.
Chung UI, Lanske B, Lee K, Li E, Kronenberg H.Chung UI, et al.Proc Natl Acad Sci U S A. 1998 Oct 27;95(22):13030-5. doi: 10.1073/pnas.95.22.13030.Proc Natl Acad Sci U S A. 1998.PMID: 9789035Free PMC article.
Huang W, Chung UI, Kronenberg HM, de Crombrugghe B.Huang W, et al. Among authors: chung ui.Proc Natl Acad Sci U S A. 2001 Jan 2;98(1):160-5. doi: 10.1073/pnas.98.1.160.Proc Natl Acad Sci U S A. 2001.PMID: 11120880Free PMC article.