wiarygodne zeznanie

However, there is no reliable scientific evidence to support these claims.

We have no reliable evidence of what happened there, though.

However, there is no reliable evidence to support such a claim.

If it's easy to change computer data, how can it be used as reliable evidence?

However, I have never found any reliable evidence that says so.

The information was, however, not confirmed by any reliable evidence.

Despite the growing knowledge of the field, reliable evidence didn't begin to appear until the 1970s.

However, there has been no reliable clinical evidence to support such a claim.

But the gathering and analysis of reliable evidence takes time.

But there is no reliable evidence to support this claim.