title: Haematological changes caused by nitrous oxide. Cause for concern?
mesh_terms: D000769:Anesthesia, Inhalation / Q000009:adverse effects*; D001853:Bone Marrow / Q000187:drug effects; D006410:Hematopoiesis / Q000187:drug effects*; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use; D009609:Nitrous Oxide / Q000009:adverse effects*; D013997:Time Factors
chemical_list: D009609:Nitrous Oxide; D002955:Leucovorin