Sentence examples for study very difficult from inspiring English sources
The extremely low solubility and high mobility of hydrogen made this experimental study very difficult.
Finally, even if the study had been controlled, the small sample size would make the study very difficult to interpret.
Many theoretical and experimental analyses have been performed to better understand pickup velocity, but there is little consistency with regard to system conditions, fluid properties, and particle characteristics, which makes comparisons between these studies very difficult.
Post-surgical inflammatory oedema, scarring and granulation tissue can also cause increased FDG uptake making the interpretation of PET/CT studies very difficult in particular if the CT part of the PET/CT study comprises only a low dose CT for attenuation correction or if no CECT images are available (Fig. 10).
The heterogeneity in the GEP study design regarding the features related to disease progression makes a consistent comparison of results between the single studies very difficult [17].
27 The rarity of childhood cancer makes population-based epidemiological studies very difficult.
Unfortunately, most published studies do not indicate prices of individual resource items, which makes detailed comparisons between studies very difficult.
However, the complexity of the genetic variation involved in control of proteostasis, as discussed above, makes these studies very difficult.
Osteomalacia, the adult manifestation of rickets, may be asymptomatic and go undetected, thus making true prevalence studies very difficult.
While the theoretical underpinnings of HRQOL may be consistent across models, variations in terminology for analogous concepts make comparison across studies very difficult.
Our results indicate that there exist only a few reports on IPF epidemiology according to the modern diagnostic criteria, and that all studies had either major methodological limitations or a small cohort of patients, which makes the comparison of epidemiological parameters in these studies very difficult or impossible.
