Surgery to fix the faulty valve that causes acid reflux has long been the treatment of last resort for severe heartburn.

FORBES: Health

Instead, the overall tab rose because more and more people were diagnosed with a disease such as acid reflux, not because the treatment got pricier.

FORBES: Magazine Article

The Bolshoi's artistic director, badly injured in an acid attack last month, has left hospital in Moscow for further treatment in Germany.

BBC: Nikolai Tsiskaridze in a file image from March 2001

The Bolshoi Ballet's artistic director, badly injured in an acid attack last month, has left hospital in Moscow for further treatment in Germany.

BBC: Bolshoi boss Sergei Filin leaves hospital for Germany