The population sample included 99 individuals with CH and 359 controls.
The population sample of data used in this study is secondary data.
This study showed age-specific rates of the different histological cataract type, by stratifying the population sample by age.
This survey does not allow any detailed description of the mental health problems the population sample suffered from.
The results identify sub-groups within the population sample (n > 200) which reported qualitatively different experiences of how they approached inquiry and used the online learning technologies.
Within the population sample being represented, the PORPOISE device, and thus the underlying concept of context-aware mobile learning in the medical field was a success.
Nevertheless, the indirect method also has limitations, being applicable only to the single method used in the population sample considered in that particular study.
There is still no agreement on the prevalence of migraine equivalents and related symptoms (MERS) and data depend on the population sample and/or included symptoms [3, 4].
The population sample was taken in the morning, at noon, and in the afternoon for 7 days (5 workdays and 2 weekend days).
Nevertheless, this conclusion has also been questioned by subsequent research, attributing this result on the author's determination of the population sample.
The majority of var types appeared only once in the population sample.
