@article {GormanNg2013,
	title = {Fertilizer use and self-reported respiratory and dermal symptoms among tree planters.},
	journal = {Journal of occupational and environmental hygiene},
	volume = {10},
	number = {1},
	year = {2013},
	pages = {36–45},
	doi = {10.1080/15459624.2012.740994},
	author = {Gorman Ng, Melanie and Stjernberg, Ernst and Koehoorn, Mieke and Demers, Paul A. and Winters, Meghan and Davies, Hugh W.}
}
