Authors: David Cunningham; Yves Humblet; Salvatore Siena; David Khayat; Harry Bleiberg; Armando Santoro; Danny Bets; Matthias Mueser; Andreas Harstrick; Chris Verslype; Ian Chau; Eric Van Cutsem Journal: N Engl J Med Date: 2004-07-22 Impact factor: 91.245