Coburn, Jason, Jeffrey Osleeb, Michael Porter (June 2006). ”Urban Asthma and the Neighbourhood Environment in New York City”. Health & Place 12 (2): sid. pp. 167–179. doi:10.1016/j.healthplace.2004.11.002. PMID 16338632.
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ncbi.nlm.nih.gov
Coburn, Jason, Jeffrey Osleeb, Michael Porter (June 2006). ”Urban Asthma and the Neighbourhood Environment in New York City”. Health & Place 12 (2): sid. pp. 167–179. doi:10.1016/j.healthplace.2004.11.002. PMID 16338632.