R. Cioni

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Specialist tutors have to transfer two types of knowledge to doctors who are specialising in a particular clinic: public declarative knowledge, including facts, notions, principles in that particular field; and their own private procedural knowledge acquired in years of direct experience. Embodying this knowledge into an expert system means that this(More)
Directional modulation (DM) can be regarded as a new frontier in physical layer communication security. This new technique uses an antenna array as a spatial encryption system which partitions the surrounding space into regions where the transmission is either perfectly intelligible or intentionally obfuscated. Still, energy and spectral efficiencies of(More)
Lung cancer is the commonest cause of cancer-related mortality throughout the world. Only 25% of patients are diagnosed early and are candidates for surgical resection with curative intent. Many early-stage patients are medically inoperable owing to comorbidities. For these patients, and for selected patients with pulmonary metastases, radiofrequency(More)
BACKGROUND The present study evaluated the predictive value of renal resistive index (RI) for renal function and blood pressure (BP) outcome in hypertensive patients with unilateral atherosclerotic renal artery stenosis submitted to successful revascularization. METHODS In 158 hypertensive patients with atherosclerotic renal artery stenosis RI was(More)
Osteoid osteoma is a benign bone tumour; its main symptom is pain, which is sometimes resistant to analgesic or anti-inflammatory medication. The surgical treatment consists of en bloc excision or curettage of the lesion. Several alternative methods have been proposed, among which CT guided-percutaneous radiofrequency ablation. We report on ten patients who(More)
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