The association between type 1 diabetes and coronary heart disease has become very clear since the late 1970. It has been demonstrated that there is an important increased risk in morbidity and mortality caused by coronary artery disease in young adults with type 1 diabetes compared with the non diabetic population. The underlying pathogeneses is still poorly understood. While the role of glycemic control in th...
Estimating Human Immunodeficiency Virus type 1 (HIV-1) infection remains one of the great challenges of the epidemiologic surveillance of HIV-1 epidemics. WHO has recently approved a laboratory based strategy that enables the identification of recent infections.To identify the number of recent (incident) infections and estimate the seroincidence of HIV-1, using for the first time in Portugal, a new methodology ...
The present study examines habitat selection and grazing pressure of the periwinkle Nodilittorina lineolata (Gmelin, 1791) on the rocky shore of Arraial do Cabo, RJ, Brazil (lat. 23°S, long. 43°W). Transfer experiments suggest that periwinkles actively select the mid intertidal, where the cirripede Chthamalus bisinuatus Pilsbry is the dominant sessile invertebrate. We also conducted a caging experiment in the m...
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