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Gil-Cruz C, Perez-Shibayama C, Firner S, Waisman A, Bechmann I, Thiel V, Cervantes-Barragan L, Ludewig B.Gil-Cruz C, et al.Proc Natl Acad Sci U S A. 2012 Jan 24;109(4):1233-8. doi: 10.1073/pnas.1115154109. Epub 2012 Jan 9.Proc Natl Acad Sci U S A. 2012.PMID: 22232667Free PMC article.
Cervantes-Barragan L, Lewis KL, Firner S, Thiel V, Hugues S, Reith W, Ludewig B, Reizis B.Cervantes-Barragan L, et al.Proc Natl Acad Sci U S A. 2012 Feb 21;109(8):3012-7. doi: 10.1073/pnas.1117359109. Epub 2012 Feb 6.Proc Natl Acad Sci U S A. 2012.PMID: 22315415Free PMC article.