11.   Research is urgently needed into the true costs of running a home to registration standards, it says.

12.   America needs that research.

13.   Angelos is investigating possible legal action against the cellular phone industry but cautions that more scientific research is needed.

14.   Anderson agrees that more research is needed.

15.   Aston said he believed more research was needed.

16.   Both Dr. Targ and Emily Rosa cautioned that more research was needed.

17.   But he and Don Fehr, director of the players union, said that more research is needed.

18.   But Dr. Glatstein also cautioned that more research is needed.

19.   But he and other experts said much more research was needed to be sure that such an attenuated virus vaccine was both safe and effective.

20.   But more research is needed.