Sentence examples for and difficult to perform from inspiring English sources

Moreover, techniques to culture these bacteria are very time-consuming and difficult to perform.

Expensive to produce and difficult to perform, the musical was rarely seen after its week at Yale.

These optimization experiments are often time consuming and difficult to perform using a traditional one-factor-at-a-time strategy.

However, traditionally, the concerned studies are performed separately for different objectives and difficult to perform an overall evaluation.

Clinical randomised trials (RCT) in elderly populations with haematological malignant disease are rare and difficult to perform.

Many Method for setting PEEP have been proposed, but they are longstanding and difficult to perform in clinical practice, or based in oxygenation table, ignoring individual mechanical characteristics.

However, the precise measurement of GFR is invasive, time-consuming, expensive and technically difficult to perform, especially in children and adolescents.

These projects required continuous costs and are difficult to perform in developing countries.

This approach requires a very strict protocol and hence difficult to perform at field levels.

This surgery requires advanced techniques and is difficult to perform, so it can only be done by doctors with proper training.

Leukocyte scans are more specific but have poor resolution and are difficult to perform (33).