BibTex format
@article{Andersen:2015:10.1289/ehp.1408698,
author = {Andersen, ZJ and de, Nazelle A and Mendez, MA and Garcia-Aymerich, J and Hertel, O and Tjonneland, A and Overvad, K and Raaschou-Nielsen, O and Nieuwenhuijsen, MJ},
doi = {10.1289/ehp.1408698},
journal = {Environmental Health Perspectives},
pages = {557--563},
title = {A study of the combined effects of physical activity and air pollution on mortality in elderly urban residents: the Danish diet, cancer, and health cohort},
url = {http://dx.doi.org/10.1289/ehp.1408698},
volume = {123},
year = {2015}
}