Sentence examples for remain difficult to perform from inspiring English sources

Household PM measurements in rural solid cookfuel using settings of developing countries also remain difficult to perform on a large-scale.

But such type of paediatric studies remain difficult to perform and alternative like modeling are developed as they are ethically challenging mainly due to the fact that such research does not offer a prospect of direct benefit.

While fish-based freshwater bioassessments are cost-effective and perform well in speciose systems, such bioassessments remain difficult to implement in species-poor Mediterranean regions.

Methane and ethane remain difficult to convert by this route.

Many variants remain difficult to classify by traditional genetic methods.

His views of the West remain difficult to divine.

Until we are, it will remain difficult to address.

Degenerative joint and tendon injuries remain difficult to treat, with few effective conservative treatment options available.

A large number of trials remain difficult to locate or unpublished for systematic reviews.

As a result, many promising research approaches remain difficult to adopt in practice.

The mechanisms leading to sensory restoration remain difficult to explain.