11.   But computer security experts noted that attacks on high-profile targets are by no means rare.

12.   But experts note that much of the increase stems from enhanced enforcement, such as Operation Gatekeeper, which has funneled more agents and equipment into Southern California.

13.   But other experts noted that while bullying may have played a role in some recent school shootings, its contribution must be viewed in context.

14.   But legal experts noted that the openness of the Chinese television market was not an issue in the broader WTO talks.

15.   But some experts noted that competition was gradually eroding such inflated rates anyway.

16.   But security experts note that El Al is a small airline and say such a procedure is prohibitively expensive for most carriers.

17.   But subsidized housing and financial aid dwindled even as the economic boom drove up housing costs, national experts note.

18.   But the experts noted that calcium-rich vegetables contain substances like oxalates, phytates and other fibers that interfere with calcium absorption in the gut.

19.   But safety experts noted that sex offenses are the crimes least likely to be reported by victims.

20.   But several experts noted that the relationship between China and Portugal is very different from that between China and Britain.