PT - JOURNAL ARTICLE AU - Michael LeFevre TI - It Matters What Is Measured AID - 10.3122/jabfm.2017.01.160362 DP - 2017 Jan 01 TA - The Journal of the American Board of Family Medicine PG - 8--9 VI - 30 IP - 1 4099 - http://www.jabfm.org/content/30/1/8.short 4100 - http://www.jabfm.org/content/30/1/8.full SO - J Am Board Fam Med2017 Jan 01; 30