@article {vedal2003air,
	title = {Air pollution and daily mortality in a city with low levels of pollution.},
	journal = {Environmental health perspectives},
	volume = {111},
	number = {1},
	year = {2003},
	pages = {45},
	publisher = {National Institute of Environmental Health Science},
	author = {Vedal, Sverre and Brauer, Michael and White, Richard and Petkau, John}
}
