21.   Their responsibilities include periodic review of Medicare billing by hospitals.

22.   To skeptics who called the plan too weak, he promised periodic reviews and modifications to keep the reduction of emissions on track.

23.   Under the auspices of the United Nations, the panel conducts periodic reviews of the causes and consequences of rising temperatures.

24.   Other options, such as a travel ban and canceling periodic reviews on the sanctions, have been rejected before.

25.   Pending periodic reviews, ISA detainees can be held without trial indefinitely.

26.   Periodic reviews must be carried out, and the patient must be released when he is no longer considered a danger to himself or others.

27.   Periodic reviews to make sure that this security system is not being circumvented are vital.

28.   A newly created ombudsman will investigate all complaints, report to Coca-Cola Chairman Doug Daft and give periodic reviews to the task force.

29.   But some developing nations have argued for periodic review.

30.   But Rep. Bill Archer, chairman of the tax-writing House Ways and Means Committee, said a periodic review of such credits is a good idea.