title: Defective DNA synthesis in human megaloblastic bone marrow: effects of hydroxy-B 12  5'-deoxyadenosyl-B 12  and methyl-B 12 .
mesh_terms: D000748:Anemia, Macrocytic / Q000378:metabolism*; D000752:Anemia, Pernicious / Q000378:metabolism; D001853:Bone Marrow / Q000378:metabolism*; D001854:Bone Marrow Cells; D002478:Cells, Cultured; D004247:DNA / Q000096:biosynthesis*; D003857:Deoxyuridine / Q000378:metabolism; D005492:Folic Acid / Q000097:blood; D006801:Humans; D013936:Thymidine / Q000378:metabolism; D013942:Thymine Nucleotides / Q000378:metabolism; D014316:Tritium; D014805:Vitamin B 12 / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000378:metabolism
chemical_list: D013942:Thymine Nucleotides; D014316:Tritium; D004247:DNA; D005492:Folic Acid; D014805:Vitamin B 12; D013936:Thymidine; D003857:Deoxyuridine