Sentence examples for specimen is difficult from inspiring English sources

Precisely orienting such a small specimen is difficult, and therefore, a standard 1-in.

As in the present case, an adequate specimen is difficult to obtain during biopsy of a submucosal tumor, even if a boring biopsy is performed.

Our results urge caution when estimating the mass of extinct species, particularly when the ontogenetic status of the specimen is difficult to determine.

In the conventional hydraulic conductance model, a possible leakage through the connection of specimen holder and specimen is difficult to detect because it may not be visible.

Isolation of C. burnetii from medical specimen is difficult as isolation is time-consuming and requires a biosafety level 3 laboratory.

One of four biopsied specimens guided by CT fulfilled level 1, with the rest diagnosed as level 2. The present findings suggest that obtaining histopathological evidence of type 1 AIP by a biopsied specimen is difficult.

Direct comparison of specimens is difficult, however, since the spacing of CFRP strips was different.

First, the procurement of human hip specimens is difficult due to current legislation.

To conclusively assign etiological relevance to any biological process altered in such specimens is difficult, considering the causality dilemma.

Demonstrating IL-1β cleavage by caspase-1 in biologic specimens is difficult, while demonstrating increased activity of the inflammasome is even more challenging [ 43].

In addition, the number of individuals examined in our study was limited by the fact that biopsy material, including skin specimens, is difficult to obtain from juvenile individuals.