PT - JOURNAL ARTICLE AU - Kolber, Michael R. AU - Houle, Sherilyn K.D. TI - Response to letters about vitamin B12 DP - 2014 Jun 01 TA - Canadian Family Physician PG - 522--522 VI - 60 IP - 6 4099 - http://www.cfp.ca/content/60/6/522.1.short 4100 - http://www.cfp.ca/content/60/6/522.1.full SO - Can Fam Physician2014 Jun 01; 60