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Humbert MC, Weihbrecht K, Searby CC, Li Y, Pope RM, Sheffield VC, Seo S.Humbert MC, et al. Among authors: weihbrecht k.Proc Natl Acad Sci U S A. 2012 Nov 27;109(48):19691-6. doi: 10.1073/pnas.1210916109. Epub 2012 Nov 12.Proc Natl Acad Sci U S A. 2012.PMID: 23150559Free PMC article.