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Scarlato V, Prugnola A, Aricó B, Rappuoli R.Scarlato V, et al.Proc Natl Acad Sci U S A. 1990 Sep;87(17):6753-7. doi: 10.1073/pnas.87.17.6753.Proc Natl Acad Sci U S A. 1990.PMID: 1697687Free PMC article.
Scarlato V, Prugnola A, Aricó B, Rappuoli R.Scarlato V, et al.Proc Natl Acad Sci U S A. 1990 Dec;87(24):10067. doi: 10.1073/pnas.87.24.10067.Proc Natl Acad Sci U S A. 1990.PMID: 2263607Free PMC article.No abstract available.