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Koelle GB, Han MS.Koelle GB, et al.Proc Natl Acad Sci U S A. 1990 Dec;87(23):9495-7. doi: 10.1073/pnas.87.23.9495.Proc Natl Acad Sci U S A. 1990.PMID: 2251290Free PMC article.
Koelle GB.Koelle GB.Ann N Y Acad Sci. 1990;604:488-91. doi: 10.1111/j.1749-6632.1990.tb32014.x.Ann N Y Acad Sci. 1990.PMID: 2171404Review.No abstract available.
Koelle GB, O'Neill JJ, Thampi NS, Han MS, Caccese R.Koelle GB, et al.Proc Natl Acad Sci U S A. 1989 Dec;86(24):10153-5. doi: 10.1073/pnas.86.24.10153.Proc Natl Acad Sci U S A. 1989.PMID: 2602363Free PMC article.