Sentence examples for been considered challenging from inspiring English sources

Unfortunately, unsuccessful management of benign esophageal strictures by serial endoscopic dilatation using bougies or balloons occurs, and the management of these refractory strictures has been considered challenging [ 4, 5, 7, 27].

Moreover, as a protein protein interaction (PPI), the IKKβ binding site on NEMO falls into a class of drug targets that has been considered challenging for small-molecule drug discovery.

Florida has been considered challenging territory for Mr. Obama all year.

The detection of subgrade defects is considered challenging because the recognition of defects is difficult.

Thermoset polymers such as silicone are considered challenging materials in terms of the AM adoption.

I realised I had a knack for caring for people who were considered challenging and the whole nursing business escalated from there.

In the 1950s, six-foot waves were considered challenging, yet today big-wave surfers successfully ride 60- to 70-foot waves.

Recent polls show the People of Freedom party leading other parties, yet Mr. Berlusconi's prospects of winning a new round of elections are considered challenging.

The detection of a concealed crack is considered challenging because the location of the crack is, by definition, difficult to find.

The Winterbourne View scandal broke in 2011 when secret filming exposed abuse of patients at the private unit near Bristol, where the NHS and councils were paying £3,500 a week for places for people whose behaviour was considered challenging.

Hence the use of traditional ceramic coating techniques as screen printing was considered challenging.