title: Re: Effect of nitrous oxide on human bone marrow cells and its synergistic effect with methionine and methotrexate on functional folate deficiency.
mesh_terms: D001853:Bone Marrow / Q000187:drug effects; D002478:Cells, Cultured; D004357:Drug Synergism; D005494:Folic Acid Deficiency / Q000139:chemically induced; D006801:Humans; D008715:Methionine / Q000008:administration & dosage; D008727:Methotrexate / Q000008:administration & dosage; D009609:Nitrous Oxide / Q000008:administration & dosage*
chemical_list: D008715:Methionine; D009609:Nitrous Oxide; D008727:Methotrexate