PT - JOURNAL ARTICLE AU - Mark Barna TI - Advocacy serves as impetus for public health change, new APHA book says DP - 2020 Oct 01 TA - The Nation's Health PG - 4--4 VI - 50 IP - 8 4099 - http://www.thenationshealth.org/content/50/8/4.2.short 4100 - http://www.thenationshealth.org/content/50/8/4.2.full SO - Nations Health2020 Oct 01; 50