Sentence examples for studies difficulty in from inspiring English sources

It is difficult to assess the effectiveness of pharmacological agents in localized scleroderma, owing to various factors: rareness of the disease, heterogeneity of its severity in different population studies, difficulty in establishing controls, diverse modes of evaluation for improvement and absence of serological markers for activity [ 2, 13, 14].

Most participants who dropped out cited disinterest in the study, difficulty in attending sessions at the Philadelphia Veterans Affairs Medical Center, or frustration with lack of weight loss.

In this second interview, a lack of systematic surveillance after the end of the study, difficulty in referring cases and changes in the leadership of the unit were mentioned.

Population-based surveillance studies face difficulty in estimating the numbers of the population at risk in the study catchment area.

This study highlights difficulty in tracing study investigators.

As in other similar studies, the difficulty in obtaining complete information in some cases is a limitation of our study.

However, infection in cattle often goes undiagnosed, and small-area studies show difficulty in relating incidence in cattle with tsetse challenge [4].

Phylogenomic studies had difficulty in placing acoels in the animal tree of life [ 27, 42].

However, these studies report some difficulty in a particular area of functioning [33-39] [33-39]

More people in this study reported difficulty in having an orgasm because their partner was unskilled (25% of women and 7% of men).

Olfactory and gustatory experiences were included in the same question, as subjects of a previous study reported difficulty in discriminating between these two sensory modalities.