PT - JOURNAL ARTICLE AU - Burgess, Jeff TI - Re: Effectiveness of Vitamin B<sub>12</sub> in Treating Recurrent Aphthous Stomatitis: A Randomized, Double-Blind, Placebo-Controlled Trial AID - 10.3122/jabfm.2009.05.090083 DP - 2009 Sep 01 TA - The Journal of the American Board of Family Medicine PG - 590--591 VI - 22 IP - 5 4099 - http://www.jabfm.org/content/22/5/590.3.short 4100 - http://www.jabfm.org/content/22/5/590.3.full SO - J Am Board Fam Med2009 Sep 01; 22