SciELO

Brazilian guidelines for the diagnosis and treatment of cystic fibrosis

Cystic fibrosis (CF) is an autosomal recessive genetic disorder characterized by dysfunction of the CFTR gene. It is a multisystem disease that most often affects White individuals. In recent decades, ...
SciELO

Streams fish from Upper Araguaia and Middle Rio da Mortes basin, Brazil: generating subsidies for preservation and conservation of this critical natural resource

Using geography information systems (GIS) tools, we chose 32 streams in the Araguaia River and 40 in the Rio das Mortes basin, totaling 72 stretches of streams to be sampled. The sites were selected ...
PNAS

A 40-y record reveals gradual Antarctic sea ice increases followed by decreases at rates far exceeding the rates seen in the Arctic

This contribution is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected in 2016. Contributed by Claire L. Parkinson, May 24, 2019 (sent for review ...
The Australian

Operation Nanook puts Canada’s Arctic defense readiness to the test

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