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Following the experience of cardiac surgeons with homografts in the treatment of infective aortic valve endocarditis, cardiovascular surgeons have investigated in situ revascularization by means of homografts in the management of vascular prosthetic graft infections. Preliminary results are encouraging, but their late fate in long-term follow-up and the(More)
An innovative approach has been recently proposed in order to link polyhydroxyalkanoates (PHA) production with sludge minimization in municipal wastewater treatment, where (1) a sequencing batch reactor (SBR) is used for the simultaneous municipal wastewater treatment and the selection/enrichment of biomass with storage ability and (2) the acidogenic(More)
The synthesis of a series of halogenated 1-benzylindazole-3-carboxylic acids and related derivatives is described. These compounds were studied for their effect on testicular weight and on the inhibition of spermatogenesis. Many of the derivatives, but in particular 1-(2,4-dichlorobenzyl)-1H-indazole-3-carboxylic acid (11),(More)
Counterpart semantics is proposed as the appropriate semantical framework for a foundational investigation of quantified modal logics. It turns out to be a limit case of the categorical semantics of relational universes introduced by Ghi-lardi and Meloni in 1988. The main result is a deeper understanding of the interplay between substitution, quantification(More)