Should we leave the paper currency? A microbiological examination von Demirci, M, Celepler, Y, Dincer, S, Yildirim, I, Çiğrikci, H U, Kalyenci, N, Namal, N, Tokman, H B, Mamal, E, Aksaray, S, Aktepe, O C, Mamal Torun, M

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