Regression testing is an expensive but necessary maintenance activity performed on modiied software to provide conndence that changes are correct and do not adversely aaect other portions of the software. A regression test selection technique chooses, from an existing test set, tests that are deemed necessary to validate modiied software. We present a new technique for regression test selection...

background and objective: reliable methods of detection of antimicrobial resistance are of paramount importance in the treatment and management of infections caused by coagulase negative staphylococci (cons). the objective of the present study was to compare and evaluate the performance of disc diffusion and e test (epsilometer test) methods for antimicrobial testing of coagulase negative staph...

Of critical importance to the success of any e-commerce site are the two factors: rapid application development and quick response time. A three-tier architecture composed of presentation layer, business layer, and data access layer emerges to allow rapid changes in user interface, business logic, and database structures. Too often, such a logical three-tier architecture is considered as requir...

background and objectives : the incidence of fungal infections in immunocompromised patients, especially by candida species, has increased in recent years. this study was designed to identify candida species and determine antifungal susceptibility patterns of 595 yeast strains isolated from various clinical specimens. material and methods : identification of the isolates were determined by the ...

the present study investigates the effect of e-mail on iranian learners of english and focuses on teaching thewriting skillvia e-mail. more specifically, the study investigates (a) whether using e-mail has any statistically significant effect on improving high school students' writing skill, and (b) whether the proficiency level has any relation with students’ writing improvement through using ...

background: the aim of this study was to identify the most common aeroallergens in patients with asthma and rhinitis. methods: the study enrolled 102 participants including 64 patients with respiratory allergies (among them 15 were clinically diagnosed as asthma patients, 41 with rhinitis, 8 were both) and 38 healthy controls. all of participants were subject of skin prick tests (spt) with seri...

background and objectives: presence of methicillin and multidrug resistance has associated coagulase negative staphylococci (cns) with high morbidity and mortality worldwide. the present study was carried out to study the susceptibility pattern of cns to various antimicrobial agents and to determine the prevalence of cns methicillin resistance in our hospital setting. materials and methods: a t...