Sentence examples for between samples is difficult from inspiring English sources

Comparison between samples is difficult as inclusion criteria vary.

In any case, the comparison between the two different sets of CSF samples is difficult, as the potential existence of artefacts in the post-mortem samples and the possibility that ventricular and lumbar CSF samples may differently reflect brain protein content.

Drawing comparisons between these findings and the screening behaviours of other high-risk melanoma samples is difficult, because of the paucity of published data.

Thus comparing two independently clustered samples is difficult.

The minor components were dominated by Zn, Cu and Pb although significant differences between plants or samples were difficult to identify for Cu and Pb.

Sometimes, depending on the consistency of the sediment, the core samples are difficult to obtain.

However, her team faced a problem: collecting samples was difficult.

In children, sputum samples are difficult to obtain.

For children, sputum samples are difficult to obtain.

However, the representativeness of the sample is difficult to assess.

Direct, non-relative abundance data of proteins, allowing a comparison of different proteins within and between samples, are still difficult to obtain on a large scale.