Miguel Ángel Alonso Neira

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OBJECTIVES This study investigated the relationship between urease and arginine deiminase system (ADS) activities and dental caries through a cross-sectional study. MATERIAL AND METHODS Urease and ADS activities were measured in saliva and plaque samples from 10 caries-free subjects and 13 caries-active. Urease activity was obtained from the ammonia(More)
The objective of this paper is double. On one hand, it intends to approach the African economy and its international institutional framework. On the other hand, it tries to analyze the influence of a set of variables on the degree of Internet penetration in the African countries. It has been carried out an econometric study comparing, at a longitudinal(More)
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