TY - CHAP M1 - Book, Section TI - Vitamin B12 Deficiency A1 - Damon, Lloyd E. A1 - Andreadis, Charalambos Babis A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. A2 - McQuaid, Kenneth R. PY - 2022 T2 - Current Medical Diagnosis & Treatment 2022 AB - ESSENTIALS OF DIAGNOSISMacrocytic anemia.Megaloblastic blood smear (macro-ovalocytes and hypersegmented neutrophils).Low serum vitamin B12 level. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1184165687 ER -