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Genetic differentiation in geographically close populations of the water rat Ne...

We examined the genetic structure and the effects of a bottleneck in populations of the water rat Nectomys squamipes, a primary host of Schistosoma mansoni. Eight microsatellite loci were studied in 7 populations from the Sumidouro region of the Brazilian state of Rio de Janeiro. Our data, covering a four-year period during which a bottleneck occurred, revealed substantial variation (6-31 alleles per locus) and...

Performance Analysis of WWW Cache Proxy Hierarchies

Although caching and the creation of cache server hierarchies has became a popular strategy for reducing user waiting time and network traffic, there is no recipe for determining the best hierarchy configuration given a set of machines and the workload that they have to serve. This paper presents a novel approach for analyzing the performance of cache proxy hierarchies that is based on two metrics: hierarchica...

A utilização dos testes psicológicos em Portugal: análise segundo a formação e ...

A utilização dos testes psicológicos: resultados de um inquérito junto dos psic...

Utilização dos testes psicológicos: algumas considerações sobre a sua evolução

Consulta psicológica na orientação escolar e profissional em escolas secundária...