RT Journal Article SR Electronic T1 Cutaneous lesions and vitamin B12 deficiency JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 529 OP 532 VO 54 IS 4 A1 Rajendran Kannan A1 Matthew Joo Ming Ng YR 2008 UL http://www.cfp.ca/content/54/4/529.abstract AB