PT - JOURNAL ARTICLE ED - American Public Health Association TI - Safe drinking water available to many, but challenges remain DP - 2010 May 01 TA - The Nation's Health PG - 13--13 VI - 40 IP - 4 4099 - http://www.thenationshealth.org/content/40/4/13.short 4100 - http://www.thenationshealth.org/content/40/4/13.full SO - Nations Health2010 May 01; 40