ASPEN is the most comprehensive and spatially representative source of information for all outdoor HAPs concentrations.
Medicare data, containing the claims history of about 2 million persons sampled from 35.2 million beneficiaries, provided a nationally representative source of medical treatment data for elderly US residents.
It is the most representative source of NSW cancer incidences.
DNA sequences of PARCEL-containing ORFs from several representative sources were analyzed for the occurrence of palindromic motifs as described in Methods.
Specific consideration was paid to the potential for selection bias, which can be from a non-representative source, and the criteria used for identifying indigenous status (e.g. blood quantum specifications).
It is advised that transition probabilities should be derived from "the most representative data sources for the decision problem" [24].
Notwithstanding the limitations listed above, the NHTS constitutes the only known nationally representative, population based, data source for road-based travel distance and time for medical/dental care.
As a rich source for representatives of both cyclotide subfamilies, we analysed cyclotide-containing fractions using matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) MS and tandem MS analytics.
The distribution of parental income and educational levels were representative of the national distribution (Source for comparison: Information from the Danish Central Statistical Office, Copenhagen).
Similarly, a nationally representative sample provides the ideal data source for evaluating progress towards national public health goals, such as describing the proportion of persons receiving appropriate care for HIV infection as described by Healthy People 2010 targets [46].
