TY - JOUR T1 - Oral or parenteral therapy for vitamin B12 deficiency JO - The Lancet UR - http://dx.doi.org/10.1016/s0140-6736(05)74987-4 PY - 1999/01/01 AU - Freeman AG ED - DO - DOI: 10.1016/s0140-6736(05)74987-4 PB - Elsevier BV VL - 353 IS - 9150 SP - 410 EP - 411 Y2 - 2024/12/28 ER -