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Wong JH, Kim YB, Ren PH, Cai N, Cho MJ, Hedden P, Lemaux PG, Buchanan BB.Wong JH, et al. Among authors: ren ph.Proc Natl Acad Sci U S A. 2002 Dec 10;99(25):16325-30. doi: 10.1073/pnas.212641999. Epub 2002 Nov 27.Proc Natl Acad Sci U S A. 2002.PMID: 12456891Free PMC article.