Media type: E-Article Title: In vitro toxicological characterization of particulate emissions from residential biomass heating systems based on old and new technologies Contributor: Jalava, Pasi I.; Happo, Mikko S.; Kelz, Joachim; Brunner, Thomas; Hakulinen, Pasi; Mäki-Paakkanen, Jorma; Hukkanen, Annika; Jokiniemi, Jorma; Obernberger, Ingwald; Hirvonen, Maija-Riitta imprint: Elsevier BV, 2012 Published in: Atmospheric Environment Language: English DOI: 10.1016/j.atmosenv.2012.01.009 ISSN: 1352-2310 Origination: Footnote: