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Beltcheva M, Metcheva R, Popov N, Teodorova SE, Heredia-Rojas JA, Rodríguez-de la Fuente AO, Rodríguez-Flores LE, Topashka-Ancheva M.Beltcheva M, et al. Among authors: metcheva r.Biol Trace Elem Res. 2012 Jun;147(1-3):180-8. doi: 10.1007/s12011-011-9278-4. Epub 2011 Dec 7.Biol Trace Elem Res. 2012.PMID: 22147334
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