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Traffic is a major source of atmospheric nanocluster aerosol.
Rönkkö T, Kuuluvainen H, Karjalainen P, Keskinen J, Hillamo R, Niemi JV, Pirjola L, Timonen HJ, Saarikoski S, Saukko E, Järvinen A, Silvennoinen H, Rostedt A, Olin M, Yli-Ojanperä J, Nousiainen P, Kousa A, Dal Maso M. Rönkkö T, et al. Among authors: rostedt a. Proc Natl Acad Sci U S A. 2017 Jul 18;114(29):7549-7554. doi: 10.1073/pnas.1700830114. Epub 2017 Jul 3. Proc Natl Acad Sci U S A. 2017. PMID: 28674021 Free PMC article.