Sentence examples for difficult to perform if from inspiring English sources
Conventional imaging can be difficult to perform if the space between the object and observer is filled with turbid media, like mist or muddy water.
Diagnostic electron microscopy does not need to be either expensive or difficult to perform if executed in a diagnostic network, i.e., by recruiting instruments and electron microscopists working in other departments, e.g., cell biology or pathology (48 ).
One may argue that the early detection and monitoring of very small cracks in in vivo implants are extremely difficult to perform, if not impossible, due to inherent limitations of the current nondestructive methods.
Besides performing benchmarking for hospitals treating severely injured patients trauma registries play an important role in trauma research since classical clinical trials are often difficult to perform, if not even impossible, in the acute care phase [ 8].
This test is difficult to perform, if possible at all, in young children, who are not collaborative and are not able to tell to the ophthalmologist at which length of the Cochet-Bonnet thread they feel the corneal sensation upon touching.
We are convinced that consistent use of endosonography and MRI with additional PET-CT as needed (even if difficult to perform in the pelvic region), when performed by an experienced examiner, can significantly reduce the risk of overstaging.
In practice this two-step strategy is difficult to perform, especially if you're in a hurry, but fortunately modern digital cameras do it for you, at least in "A" (automatic) mode.
However, this is an invasive procedure that could be difficult to perform, especially if sampling needs to be repeated [ 10].
Due to the invasive nature of MBC, however, tissue sampling of metastatic sites may be difficult to perform, especially if repeated sampling is required [ 10].
