title: Failure to correct nitrous oxide toxicity with folinic acid.
mesh_terms: D001855:Bone Marrow Diseases / Q000517:prevention & control*; D003857:Deoxyuridine; D004913:Erythrocytes, Abnormal / Q000187:drug effects*; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008534:Megaloblasts / Q000187:drug effects*; D009609:Nitrous Oxide / Q000009:adverse effects*
chemical_list: D009609:Nitrous Oxide; D002955:Leucovorin; D003857:Deoxyuridine