PT - JOURNAL ARTICLE AU - Mark Barna TI - APHA Advocates DP - 2021 May 01 TA - The Nation's Health PG - 2--15 VI - 51 IP - 3 4099 - http://www.thenationshealth.org/content/51/3/2.1.short 4100 - http://www.thenationshealth.org/content/51/3/2.1.full SO - Nations Health2021 May 01; 51