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4. Charge distribution on polystyrene aerosols and deposition in the human nose;Fry, F.A.;Aerosol Sci,1970
5. On the deposition of unipolarly charged particles in the human respiratory tract;Melandri, C.; Prodi, V.; Tarroni, G.; Formigani de Zaiacomo, T.; Bonpane, G.F.; Maestri, G.,1977