PT - JOURNAL ARTICLE AU - Barna, Mark TI - Public health joins together for steps challenge: Teams strive to surpass a billion steps through NPHW in April DP - 2019 Feb 01 TA - The Nation's Health PG - 3--3 VI - 49 IP - 1 4099 - http://www.thenationshealth.org/content/49/1/3.2.short 4100 - http://www.thenationshealth.org/content/49/1/3.2.full SO - Nations Health2019 Feb 01; 49