J. M. Arrufat

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After observing one case, the authors review the contemporary literature on ruptures of single kidney cysts in the pyelo-calicial cavity. They comment upon the pathogenesis of this entity which is produced by an increase in the intracystic pressure, an increase in the pressure inside the pyelo-calicial cavity or a decrease in the resistence of the wall(More)
The authors present a case of excretory azoospermia, whose deferentovesiculography and surgical exploration of the epididymis were normal. The patient presented bronchio-estasis and sinusitis as a result of which he was diagnosed as suffering from Young's syndrome. The authors make a review of the current state of the problem stressing the differences(More)
In this work, we introduce algorithms to speedup and to scale a classical secure multicast protocol that currently goes unused due to its computational and data management requirements when the audience becomes large. This is in spite of its agreeable cryptographic properties, which offers real applicability. A core component of such an algorithm is the(More)
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