AUTHOR=McCullough J. Mac TITLE=Declines in Spending Despite Positive Returns on Investment: Understanding Public Health's Wrong Pocket Problem JOURNAL=Frontiers in Public Health VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2019.00159 DOI=10.3389/fpubh.2019.00159 ISSN=2296-2565