Sentence examples for have failed to demonstrate from inspiring English sources

Multiple studies have failed to demonstrate any scientific evidence supporting such principles.

But studies so far have failed to demonstrate a cardiac benefit to the drugs.

Nevertheless, small randomized controlled trials have failed to demonstrate a survival advantage.

Previous studies have failed to demonstrate haemodynamic effects on the VA in simulated pre-thrust positions.

The majority of interventions have failed to demonstrate benefit and some have caused harm.

A number of promising compounds developed for osteoarthritic pain have failed to demonstrate clinical efficacy.

Several studies have failed to demonstrate a significant advantage to using alcohol-containing mouthwashes over alcohol-free mouthwashes.

Studies using monoclonal antibodies or small molecule inhibitors of the VEGFR pathway have failed to demonstrate benefit.

However, randomized studies have failed to demonstrate efficacy.

The more recent and better designed trials have failed to demonstrate the benefits of operative treatment.

Epidemiologic and industrial hygiene studies have failed to demonstrate an increased risk of MM in brake workers.