PT - JOURNAL ARTICLE AU - Edward Leyton TI - Vitamin beef DP - 2008 Jun 01 TA - Canadian Family Physician PG - 848--848 VI - 54 IP - 6 4099 - http://www.cfp.ca/content/54/6/848.1.short 4100 - http://www.cfp.ca/content/54/6/848.1.full SO - Can Fam Physician2008 Jun 01; 54