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Linthorst HJ, Melchers LS, Mayer A, van Roekel JS, Cornelissen BJ, Bol JF.Linthorst HJ, et al. Among authors: melchers ls.Proc Natl Acad Sci U S A. 1990 Nov;87(22):8756-60. doi: 10.1073/pnas.87.22.8756.Proc Natl Acad Sci U S A. 1990.PMID: 2247445Free PMC article.