41.   More research is needed, and Williams is confident that future technology will make the pagers obsolete.

42.   More research is needed, he writes.

43.   More research is needed, they said.

44.   More research is needed into how different degrees of hopelessness affect mortality, Stern said.

45.   More research is needed into the safety and efficacy of the drug before the third phase of studies can begin.

46.   More research is needed, of course, but the results are promising so far.

47.   Most scientists who need airborne research rent planes from NCAR.

48.   More research will be needed before the samples are accepted as new species, because classifying coral is as much an art as a science.

49.   No definitive studies have been done on the safety of gene-altered foods, and protesters argue that more research is needed.

50.   Of course, all agree, more research is needed.