@article {Brunekreef7, author = {Bert Brunekreef and Nino K{\"u}nzli and Juha Pekkanen and Isabella Annesi-Maesano and Bertil Forsberg and Torben Sigsgaard and Menno Keuken and Francesco Forastiere and Maeve Barry and Xavier Querol and Roy M. Harrison}, title = {Clean air in Europe: beyond the horizon?}, volume = {45}, number = {1}, pages = {7--10}, year = {2015}, doi = {10.1183/09031936.00186114}, publisher = {European Respiratory Society}, issn = {0903-1936}, URL = {https://erj.ersjournals.com/content/45/1/7}, eprint = {https://erj.ersjournals.com/content/45/1/7.full.pdf}, journal = {European Respiratory Journal} }