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Hatziioannou, K A., Psarouli E, Papanastasiou E., Bousbouras P, Kodona H, Kimoundri O., and Delichas M.
, Dentomaxillofac Radiol, 2005 Sep, Volume 34, Issue 5, p.304-7, (2005)
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, Radiat Prot Dosimetry, 2005, Volume 113, Issue 4, p.449-52, (2005)