Sentence examples for be difficult for epidemiologic from inspiring English sources

For several reasons, it would be difficult for epidemiologic studies to detect the NRC-estimated cancer risks in the United States.

It was difficult for Andy.

This is difficult for him".

It's difficult for me.

"That was difficult for everyone.

It's difficult for him.

Anniversaries are difficult for newspapers.

That's difficult for anyone.

It was difficult for me.

It was difficult for him to pee.

"It was difficult for us.