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Yu B, Blaber M, Gronenborn AM, Clore GM, Caspar DL.Yu B, et al. Among authors: caspar dl.Proc Natl Acad Sci U S A. 1999 Jan 5;96(1):103-8. doi: 10.1073/pnas.96.1.103.Proc Natl Acad Sci U S A. 1999.PMID: 9874779Free PMC article.
Twigg PD, Parthasarathy G, Guerrero L, Logan TM, Caspar DL.Twigg PD, et al. Among authors: caspar dl.Proc Natl Acad Sci U S A. 2001 Sep 25;98(20):11259-64. doi: 10.1073/pnas.191354798.Proc Natl Acad Sci U S A. 2001.PMID: 11572979Free PMC article.
Caspar DL, Fontano E.Caspar DL, et al.Proc Natl Acad Sci U S A. 1996 Dec 10;93(25):14271-8. doi: 10.1073/pnas.93.25.14271.Proc Natl Acad Sci U S A. 1996.PMID: 8962038Free PMC article.