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A Community-Based Study of Stroke Code Users in Northern Portugal

Introduction: By 2002 Portugal had one of the highest mortality rates due to cerebrovascular diseases among the European Countries. Meanwhile, several strategies have been adopted to improve prevention and treatment in the acute phase, amongst which the Stroke Code. The purpose of this study is to describe how this measure has been used and its outcome as part of a prospective community based study of stroke/TI...

Acute Toxicity Test with Daphnia magna: An Alternative to Mammals in the Prescr...

In this study, the association between the acute toxicity of 15 compounds to Daphnia magna, expressed as 24- and 48-h LC50 values, and the corresponding oral LD50 values for the rat was tested. Since there was evidence of a strong relationship between the two species, the sample was extended to 54 cases by including the values for acute toxicity to D. magna and rat of more chemicals published by other authors. ...

Health service usage in the Ribeira de Pena concelho of Portugal