@article{81f7390b33344c57b906b2054abdffe8,
title = "Daily variation in fine and ultrafine particulate air pollution and urinary concentrations of lung Clara cell protein CC16",
author = "K.L. Timonen and G. Hoek and J. Heinrich and A. Bernard and B. Brunekreef and \{de Hartog\}, J.J. and K. H{\"a}meri and A. Ibald-Mulli and A. Mirme and A. Peters and p tiittanen and W.G. Kreyling and J. Pekkanen",
year = "2004",
language = "Undefined/Unknown",
volume = "61",
pages = "908--914",
journal = "Occupational and Environmental Medicine",
issn = "1351-0711",
publisher = "BMJ Publishing Group",
}