PT - JOURNAL ARTICLE AU - Lupo, Phillip AU - Neale, Anne Victoria AU - Bowman, Marjorie A. TI - Content Usage and the Most Frequently Read Articles in 2009 AID - 10.3122/jabfm.2010.03.100060 DP - 2010 May 01 TA - The Journal of the American Board of Family Medicine PG - 280--282 VI - 23 IP - 3 4099 - http://www.jabfm.org/content/23/3/280.short 4100 - http://www.jabfm.org/content/23/3/280.full SO - J Am Board Fam Med2010 May 01; 23