1.  Research is often constrained by lack of sufficient data.

2.  Sufficient data on safety and efficacy of long-term use of Ritalin in children are not yet available.

3.  We need to record sufficient data to enable definite conclusions to be reached.

4.  After its review last fall, the Safety Board staff felt it did not have sufficient data to press the board itself to take a stand, Pollock said.

5.  Bryson said the bureau lacked sufficient comparative historical data to show the change with any precision.

6.  Key state lawmakers say a tax break for businesses would be ill-advised without sufficient data about its ramifications.

7.  Namely, each side needs to be predisposed to settle and have sufficient data so neutral experts can evaluate the strengths and weaknesses.

8.  Santiago also said the prosecutor did not offer sufficient technical data to back up his charges.

9.  Regarding violence against women, the report said the government lacked sufficient data on the phenomenon.

10.  The lack of sufficient data is another problem which has brought about the mishandling of the issue, Labour economist Lae Dilokwattayarat said agreeing with critics and labour organisations.