PT - JOURNAL ARTICLE AU - Mark Barna TI - APHA Advocates DP - 2019 Nov 01 TA - The Nation's Health PG - 2--23 VI - 49 IP - 9 4099 - http://www.thenationshealth.org/content/49/9/2.1.short 4100 - http://www.thenationshealth.org/content/49/9/2.1.full SO - Nations Health2019 Nov 01; 49