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Vivolo V, Neves LP, Perini AP, Silva JO, Lucena RF, da Penha A Potiens M, Caldas LV.Vivolo V, et al. Among authors: perini ap.Appl Radiat Isot. 2012 Jul;70(7):1429-31. doi: 10.1016/j.apradiso.2011.12.011. Epub 2011 Dec 10.Appl Radiat Isot. 2012.PMID: 22196679