title: Puzzling ENIGMA: cost-benefit analysis of nitrous oxide.
authors.forename: Girish P
authors.initials: GP
authors.lastname: Joshi
mesh_terms: D018685:Anesthetics, Inhalation / Q000191:economics*; D017048:Health Care Costs; D006801:Humans; D009609:Nitrous Oxide / Q000191:economics*
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide