PT - JOURNAL ARTICLE AU - Phillips, Kenneth R. TI - Vitamin B<sub>12</sub> deficiency (July 2015) AID - 10.3949/ccjm.83c.01001 DP - 2016 Jan 01 TA - Cleveland Clinic Journal of Medicine PG - 15--15 VI - 83 IP - 1 4099 - http://www.ccjm.org/content/83/1/15.1.short 4100 - http://www.ccjm.org/content/83/1/15.1.full SO - Cleve Clin J Med2016 Jan 01; 83