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- [1] METABOLIC EQUILIBRIUM OF TRACER AND NATURAL VITAMIN B12 JOURNAL OF LABORATORY AND CLINICAL MEDICINE, 1968, 72 (03): : 392 - +
- [4] METHYLMALONIC ACID EXCRETION AND SERUM VITAMIN B12 SCANDINAVIAN JOURNAL OF HAEMATOLOGY, 1966, 3 (05): : 399 - &
- [7] INFLUENCE OF LIVER FUNCTION ON EXCRETION OF VITAMIN B12 SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION, 1965, 17 (02): : 99 - +
- [8] EFFECTS OF SMOKING ON METABOLISM AND EXCRETION OF VITAMIN B12 BRITISH MEDICAL JOURNAL, 1968, 2 (5599): : 215 - &
- [10] Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency COCHRANE DATABASE OF SYSTEMATIC REVIEWS, 2005, (03):