Sentence examples for trials are needed from inspiring English sources

Further trials are needed.

Controlled trials are needed.

Randomized clinical trials are needed.

Future randomized clinical trials are needed to determine causality.

Well-designed multicentre trials are needed to provide robust evidence.

Such studies and additional controlled clinical trials are needed.

Randomised prospective trials are needed to confirm this.

Rigorously designed trials are needed to confirm the evidence.

Larger, well-designed, placebo-controlled clinical trials are needed.

Further high-quality randomised control trials are needed.

Well-designed randomized, controlled clinical trials are needed.