"Folk Music and Song of Italy" (Rounder) is a countrywide sampler: men, women and children, old and young, raising raw voices backed by tambourines, jaw harps, accordions and even bagpipes.
Our data suggest a great level of differentiation among Ogliastra villages: even if this result is influenced by the difficulty in detecting micro differentiation in countrywide samples, nevertheless it clearly reveals the high level of population substructure in Ogliastra.
Because of the estimated disparities in Northwest African influences among the Spanish populations, we expected that multicentric studies, with countrywide sampling schemes, would be at risk of an increased rate of false positives.
The proportion of obesity from this previous study was much higher probably due to smaller sample size and also they enrolled a subgroup of population from a metropolitan city in contrast to our countrywide sampling.
A countrywide population-based random sample of 2725 biologically unrelated adults in 35 cities and nine rural areas of Russia were interviewed in a door-to-door survey.
Both countrywide and ethnic subpopulation samples from recent literature were compiled [ 3- 7, 12, 17, 23- 26].
During 2004 2006, sampling was part of a general countrywide surveillance program; in 2007, sampling was targeted specifically at areas where outbreaks in poultry had occurred.
Although a reference data set including complete coverage of the target local flora/fauna is necessary for accurate identification, DNA barcode studies including such rich taxonomic sampling on a countrywide scale are lacking.
Cluster probability and stratified random sampling of schools countrywide was adopted to evaluate how the four program components of SHAPES are being implemented in the selected schools on one hand, and measuring the impact of the four program components in the selected schools on the other.
