RT Book, Section A1 Damon, Lloyd E. A1 Andreadis, Charalambos Babis A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184165687 T1 Vitamin B12 Deficiency T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184165687 RD 2024/04/25 AB ESSENTIALS OF DIAGNOSISMacrocytic anemia.Megaloblastic blood smear (macro-ovalocytes and hypersegmented neutrophils).Low serum vitamin B12 level.