DNA analysis represented a key means of identifying the bodies.

DNA analysis at most labs takes a minimum of six weeks.

For the first time, that issue is being examined using DNA analysis.

Some simply ask questions about the health of employees' family members; others actually use DNA analysis.

However, using DNA analysis, they have since been shown to be a group of related species.

However, DNA analysis helped to identify many of the dead.

DNA analysis was conducted on a few hundred of them.

For more specific and solid evidence, such as DNA analysis, they would have to wait much longer.

Even if they'd had DNA analysis back then, it wouldn't have been much use.

In that case, a DNA analysis would be much more difficult, if not impossible.