RT Journal Article SR Electronic T1 An unusual cause of vitamin B12 and iron deficiency JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 406 OP 408 DO 10.3949/ccjm.82a.14151 VO 82 IS 7 A1 Maithel, Shelley A1 Duong, Alex K. A1 Zhang, Jonathan A1 Nguyen, Douglas L. YR 2015 UL http://www.ccjm.org/content/82/7/406.abstract AB