Sentence examples for based studies are not from inspiring English sources

Such community based studies are not available in Ethiopia.

Register based studies are not ideal for studying psychiatric disorders, as only some women seek professional help for mental disorders and only some women with mental disorders are treated in specialised healthcare.

Performing radiography in population based studies is not common and often not feasible.

For this reason, prevalence-based studies are not perfectly suitable for measuring the potential savings from preventive interventions.

The clinic-based studies are not necessarily representative of all adolescents with recurrent headache due to selection bias and there are challenges when comparing population-based longitudinal studies because of inconsistencies in their methodological approaches [13, 5].

Bt cotton was only approved for commercialization in India in 2003 and therefore market-based studies are not yet available.

Many SNP-based studies are not addressing the issue of ascertainment bias.

In chickpea, like in many other under-researched crops, extensive microarray-based studies are not yet possible, because the necessary EST data are not available.

Still, although the nuclear protein-encoding sequences in the study of Springer et al. [ 34] outperformed the mitochondrial genes, mtDNA-based studies are not necessarily useless for deep phylogeny.

However, the laboratory-based studies are not comparable with the human disease state and the findings from genetic-association studies may be explained by linkage disequilibrium with the true risk factor [ 3].

Primers that have been used in previous sequence-based studies are not nematode specific but also amplify other groups of organisms such as fungi and plantae, and thus require a nematode enrichment step that may introduce biases.