Nitrous oxide and the bone-marrow.
D000749:Anemia, Megaloblastic / Q000209:etiology; D001853:Bone Marrow / Q000187:drug effects*; D003422:Critical Care; D005494:Folic Acid Deficiency / Q000150:complications; D006801:Humans; D009609:Nitrous Oxide / Q000633:toxicity*
D009609:Nitrous Oxide