Pte Gregg Stone, 20, from Atwick, was killed during a hostage rescue mission in Helmand province in June.

BBC: Private Gregg Stone

"I wouldn't be surprised if COURAGE, as designed, is a negative trial, " Gregg Stone, director of cardiovascular research and education at Columbia University Medical Center, said two weeks ago.

FORBES: Magazine Article

"I wouldn't be surprised if COURAGE, as designed, is a negative trial, " says Gregg Stone, director of cardiovascular research and education at Columbia University Medical Center, who has conducted major clinical trials of Boston Scientific's stent.

FORBES: Magazine Article