PT - JOURNAL ARTICLE ED - , TI - Clarification DP - 2012 May 01 TA - The Nation's Health PG - 2--2 VI - 42 IP - 4 4099 - http://www.thenationshealth.org/content/42/4/2.2.short 4100 - http://www.thenationshealth.org/content/42/4/2.2.full SO - Nations Health2012 May 01; 42