* Howard Frumkin [http://www.cdc.gov/healthyplaces/articles/Urban_Sprawl_and_Public_Health_PHR.pdf Urban Sprawl and Public Health], Public Health Reports, may-june 2002 vol 117, CDC | * Howard Frumkin [http://www.cdc.gov/healthyplaces/articles/Urban_Sprawl_and_Public_Health_PHR.pdf Urban Sprawl and Public Health], Public Health Reports, may-june 2002 vol 117, CDC |