Camilo Christo

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A double-blind clinical trial involving 120 patients with chronic schistosomiasis was carried out to compare the tolerability and efficacy of praziquantel and oxamniquine. The patients were randomly allocated into two groups. One was treated with praziquantel, 55 mg/kg of body weight CBWT), and the other one with oxamniquine, 15mg/kg bwt, administered in a(More)
In this paper a new PCA-based positioning sensor and localization system for mobile robots to operate in unstructured environments (e.g. industry, services, domestic...) is proposed and experimentally validated. The inexpensive positioning system resorts to principal component analysis (PCA) of images acquired by a video camera installed onboard, looking(More)
Sensors networks with some intelligence have been proposed for supporting mobile robot navigation systems in indoor environments. However, a standard method of communication among the sensor networks and the mobile robots still doesn't exist and the introduction of new robots in a certain environment can be a difficult task. In this paper, we present a(More)
UNLABELLED 40 patients with the hepatosplenic form of schistosomiasis mansoni were selected for this study. Among 29 patients submitted to oral endoscopy there were 28 in whom oesophageal varices were demonstrated and 20 out of 21 patients who presented gastrointestinal haemorrhage had been operated on. All patients received a single oral dose of 40 mg/kg(More)
In an attempt to reproduce experimentally as close a possible the conditions found in endemic areas of mansonian schistosomiasis, a controlled trial in mice submitted to weakly infections with cercariae of S. mansoni was performed. One group (I) was not treated, the other (II) was treated with a single oral doses (100 mg/kg) of oxamniquine at the 13th week.(More)
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