Sentence examples for are difficult to execute from inspiring English sources

Such trials "are difficult to execute and expensive to complete," said Dr. Kenneth Shine, the former president of the Institute of Medicine and now a fellow at the RAND Corporation, "but they are essential because bad studies only lead to bad information".

Nevertheless, such studies are difficult to execute successfully.

In addition, double-dummy studies are difficult to execute, particularly with regard to dosing compliance.

Such trials, however, as demonstrated in the study by Weinstein [ 16], are difficult to execute in patients with spinal stenosis.

There must be a balance between complex scoring systems with many variables that are difficult to execute, and a more simple system that is easy to use, but lacks accuracy [ 5].

However correlations between biochemical measurements of intra-tumoral estrogen synthesis and clinical outcomes have not been firmly established, largely because in vivo assays of aromatase activity are difficult to execute in a large numbers of patients [ 4– 6].

Some elements of the cleanup shouldn't be difficult to execute.

"'Cross-track' is difficult to execute in a 24-hour system," Ms. Senese said.

Made You Look This idea is difficult to execute, but could turn out to be a masterpiece.

But there are clear indications that a criminal case against the sergeant would have been difficult to execute.

All of this had been difficult to execute, and almost all of it had been done perfectly.