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Viviani M, Kievsky A, Rosati S, George EA, Knutson LD.Viviani M, et al. Among authors: knutson ld.Phys Rev Lett. 2001 Apr 23;86(17):3739-42. doi: 10.1103/PhysRevLett.86.3739.Phys Rev Lett. 2001.PMID: 11329312
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