نتایج جستجو برای: transient elastometry
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Introduction: Neonatal hypothyroidism, a preventable cause of mental retardation, has a high prevalence in Iran. Considering the high prevalence of the transient form of this disease, which recovers within 4-6 months after birth, it is important to determine factors that can differentiate between permanent and transient hypothyroidism in Iran. Materials and Methods: In this retrospective cohort...
Recommender systems are highly vulnerable to shilling attacks, both by individuals and groups. Attackers who introduce biased ratings in order to affect recommendations, have been shown to negatively affect collaborative filtering (CF) algorithms. Previous research focuses only on the differences between genuine profiles and attack profiles, ignoring the group characteristics in attack profiles...
We consider users bidding in a series of multi-unit sealed-bid auctions, aiming at reserving the same amount of units of the resource auctioned, e.g. transmission slots in a wireless network. Each user attains from each successful allocation of resource units an instant marginal utility that depends on his history of resource allocation. The user’s bid at each auction equals this marginal utili...
The case histories are described of four brothers who suffered attacks of transient global amnesia. The coincidence of this disorder in four siblings suggests that the causative factors in transient global amnesia may have a familial basis and that its incidence is more common than generally realised.
Transient global amnesia (TGA) is characterized by anterograde memory disturbance of sudden onset that lasts for 1 to 24 hours. Orientation in space and time is impaired while consciousness remains undisturbed. T r a n s i e n t d i f f u s i o n w e i g h t e d imaging abnormalities involving the hippocampus as wel l as s tressful s i tuations precipitat ing Transient Global Amnesia have been ...
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