The lack of objective data has created problems in studying the issue.

The lack of such data makes it more difficult to determine how to run the trains.

"It may be that they were blinded by the lack of available data."

It was in the lack of data that he found the inspiration.

This lack of data restricts the questions we will be able to answer.

A lack of data is not the same thing as no information.

"But a lack of data is not the same as no information."

The most common criticism is the lack of available data.

Given the lack of data in children, no specific recommendations can be made.

The angle head does not appear on the red list due to the lack of data.