11.   A team of outside experts headed by Dr. Joshua Lederberg, a Nobel laureate, could not find a cause for their ailments.

12.   Adm. Ralph G. Bird, an outside expert with a background in nuclear submarines, took charge and put in new management and tightened operations and safety procedures.

13.   But at least a few outside experts wonder whether Hallmark is, at its foundation, a manufacturing company more than a communications company.

14.   But few outside experts think the increase will be big enough to cause more than modest price reductions at the gasoline pump.

15.   But blaming Nixon alone is far too easy, according to outside experts and former IRS officials.

16.   But in some cases, the firm sponsoring a fund turns to an outside expert to run the fund on a day-to-day basis.

17.   But he opposes an independent commission of outside experts to investigate what really happened, preferring that tame congressional committees examine the facts behind closed doors.

18.   But many Democratic strategists and outside experts are worried that the change will force candidates to begin raising money and campaigning even earlier than in previous campaigns.

19.   But most Pentagon, congressional and outside experts largely agree that for practical and long-term strategic reasons, the merger makes sense.

20.   But outside experts believe that command is relatively decentralized, and that provincial political leaders have considerable say over how the armed police troops are used.