       Alka Seltzer

  1920-    Dr. Miles Laboratories         .      . 

  1928 ,      ,      ,        ,         . 

         . ,    ,      ,    .  ,           .

21  1931          Aspir-Vess,    Alka-Seltzer.          . 

     ,   ,      ,     .                Alka Seltzer.

              ... 