003100a00a22001090004500245008300000100002200083260005000105260000900155306001300164760001100177015001200188  aThe Development of Inhalation Anaesthesia. special Ref to the Years  1846-1900  aBarbara M. Duncum  bOxford:The Wellcome Historical Medical Museum  c1947  aold book  bH Room  aNo. 358