Ayman A. Ashour

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Data concerning the geographic distribution of iceA alleles are scarce, and information on the association of the gene with the disease is rare and still controversial. Furthermore, no such study has been developed in Brazil, where duodenal ulcer and gastric adenocarcinoma are very common. We investigated, by PCR, the frequency of iceA alleles and cagA(More)
An approach for system test design is suggested and just$ed by the corresponding mathematical model. It is based on the representation of a testing process in an aggregate form of two dvnamically interacting components: a control testing table and a testing processor. Control testing tables are equivalent to linear programs which process Boolean arrays. It(More)
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