41.   But senior government officials have urged caution.

42.   But most professional medical organizations urge caution.

43.   But some are urging caution, aware of the concerns by city employees over jobs.

44.   But some European leaders also urged caution on Wednesday.

45.   But the realistic Kelly urged caution.

46.   But the Vatican, concerned about ensuring that the due process of priests is not violated, urges caution.

47.   But US officials consistently urged caution in any speculation about his survival, reminding the public that no parachute had been sighted.

48.   But while The Times predicted a marriage within five years, the biggest-selling conservative papers, The Mail and The Daily Telegraph, urged caution.

49.   But, recalling how they had been wrong about several other initially favorable AIDS findings, leading scientists urged caution.

50.   But, he also urged caution.