Sentence examples for substantial challenges exist from inspiring English sources

Substantial challenges exist in obtaining tissue from pancreatic cancer patients for histological diagnosis, and acquiring pre- and post-treatment tumour biopsies to monitor pharmacodynamic responses during clinical trials of novel treatments are even more difficult.

Although the public health benefits could be significant, challenges exist.

Sinn Féin's John O'Dowd said significant challenges existed.

Such challenges exist in home care as well.

However, sizable challenges exist.

These challenges exist throughout corporate America.

Thus, two main challenges exist.

Similar challenges exist from media-sharing apps.

Two major systems-level design challenges exist.

Challenges exist to scale up this momentum.

However, challenges exist currently.