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Vet JA, Majithia AR, Marras SA, Tyagi S, Dube S, Poiesz BJ, Kramer FR.Vet JA, et al. Among authors: marras sa.Proc Natl Acad Sci U S A. 1999 May 25;96(11):6394-9. doi: 10.1073/pnas.96.11.6394.Proc Natl Acad Sci U S A. 1999.PMID: 10339598Free PMC article.
Marras SA, Gold B, Kramer FR, Smith I, Tyagi S.Marras SA, et al.Nucleic Acids Res. 2004 May 20;32(9):e72. doi: 10.1093/nar/gnh068.Nucleic Acids Res. 2004.PMID: 15155820Free PMC article.