Sentence examples for what causes this problem? from inspiring English sources

I have called many nephrologists in the Denver, Colorado area, only to be told that doctors do not know what causes this problem.

We talk about how what causes this problem is that students are becoming more fluent with the language of biology and their brains are confusing this with understanding.

Google explained, So what caused this problem?

Isn't this what caused the problem in the first place?

The only question that remains is what caused the problem?

What caused the problem?

What caused the problems?

What has caused this problem of recruiting and retaining teachers?

What causes problems, and what makes for good practice, in responding to freedom of information requests?

What caused Kodak's problems?

What caused problems?