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| http://dx.doi.org/10.1073/pnas.25.4.206 | DOI Listing |
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Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, SS, Italy.
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School of Mathematics and Statistics, Guangxi Normal University, Guilin 541006, China. Electronic address:
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Decisions LAB, Department of Law, Economics and Human Sciences, University Mediterranea of Reggio Calabria, Via dei Bianchi, 2, 89131, Reggio Calabria, Italy.
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