@article{70e2d206f54c4d9abe6121b56f1a0272,
title = "Methodological approaches to the analysis of hierarchical studies of air pollution and respiratory health-examples from the CESAR study",
author = "S. Pattenden and B.G. Armstrong and T. Fletcher and D. Houthuijs and G.S. Leonardi and A. Dusseldorp and B. Brunekreef",
year = "2000",
language = "Undefined/Unknown",
volume = "10",
pages = "420--426",
journal = "Journal of Exposure Analysis and Environmental Epidemiology",
issn = "1053-4245",
publisher = "Nature Publishing Group",
}