M Di Siena

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Recent studies show that, among advanced countries, the rank of cardiological research finds Italy last for number of scientific publications and for gross expenditure on research and development. To assess more thoroughly the characteristics of Italian clinical cardiological research we examined, over the period 1983-1993, all original articles published(More)
Cardiac pacing is increasingly common. In 1986, in the USA there were more than 500,000 pacemaker-implanted patients and at least 100,000 new pacemaker implants were performed, for a total of 3,000 pacemakers for million inhabitants. The increment in cardiac pacing is due to: a fall in cardiovascular mortality; increased elderly population, in which(More)
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