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Ludwig B, Ziegler CG, Schally AV, Richter C, Steffen A, Jabs N, Funk RH, Brendel MD, Block NL, Ehrhart-Bornstein M, Bornstein SR.Ludwig B, et al. Among authors: bornstein sr.Proc Natl Acad Sci U S A. 2010 Jul 13;107(28):12623-8. doi: 10.1073/pnas.1005098107. Epub 2010 Jun 28.Proc Natl Acad Sci U S A. 2010.PMID: 20616039Free PMC article.