1.   It was a time when computers were primitive, clunky and slow, and researchers were divided on how to proceed.

2.   On the question of informed consent, researchers are equally divided.

3.   Other researchers are sharply divided in their interpretation of the studies.

4.   Researchers are divided over whether alcohol is a neurotoxin, a substance that kills neurons or brain cells.

5.   Researchers are divided over when a fetus begins to feel pain.

6.   Researchers are divided over whether alcohol is a neurotoxin, a substance that kills neurons, or brain cells.

7.   The new theories are also appealing to many experts because they take on a question that has divided researchers for decades.

8.   The researchers are divided into three camps.

9.   Researchers are divided over the implications of the two studies.