TY - JOUR T1 - Re: Effectiveness of Vitamin B<sub>12</sub> in Treating Recurrent Aphthous Stomatitis: A Randomized, Double-Blind, Placebo-Controlled Trial JF - The Journal of the American Board of Family Medicine JO - J Am Board Fam Med SP - 590 LP - 591 DO - 10.3122/jabfm.2009.05.090083 VL - 22 IS - 5 AU - Jeff Burgess Y1 - 2009/09/01 UR - http://www.jabfm.org/content/22/5/590.3.abstract N2 - ER -