AmMSchr,iP9i3!"m"}    Standardization  of  Digitalis  Bodies.  109 
the  method.  A  simple  method  of  avoiding  the  dangers  of  the  use 
of  the  volatile  anesthetics  is  the  substitution  of  one  or  another  of 
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fixed  ones,  such  as  chloral  or  paraldehyde.  Experiments  show 
that  such  substitution  does  not  perceptibly  influence  the  dose  of  the 
digitalis  body  required. 
Food  and  drink  has  been  stated  to  be  a  factor  of  great  impor- 
