AU - Ashjian E FAU - Ashjian, Emily J. AU - Matthias K FAU - Matthias, Kathryn R. AU - Katz M FAU - Katz, Michael D. TI - Vitamin B12 Deficiency Anemia PT - BOOK SECTION DP - 2023 BTI - Pharmacotherapy Principles and Practice Study Guide, 6e DA - 2023 Y2 - 2024/10/15 UR - ppp.mhmedical.com/content.aspx?aid=1198804584