Marques Vidal Pedro

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The prevalence of hepatitis B surface antigen (HBs Ag) and antibody to hepatitis C virus (HCV) and human immunodeficiency virus (HIV) was determined in the serum specimens of 288 patients treated(More)
In this paper, we have analyzed the behaviour of a renewable source of energy by means of analysis of its performance. We have a system of data acquisition to measure variable and to generate B(More)