1,721,095 research outputs found

    Clinical infections and multiple sclerosis: contribution from analytical epidemiology

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    Epidemiological studies have suggested that exogenous factors may play a role in the etiology of multiple sclerosis and that the environmental component may be viral, but, as yet, there is insufficient evidence to draw any definite conclusions concerning any of the viruses so far proposed. The case-control approach failed to give any definitive conclusion. While the frequency of each common childhood illness is not significantly different between cases and controls, there are more consistent data suggesting that cases do report a later age at infections: this applies particularly to measles, rubella, mumps and EBV infection. Several studies have proved that viral or bacterial infections or reactivations could trigger the clinical attacks in relapsing-remitting MS

    Common childhood and adolescent infections and multiple sclerosis: selected review

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    Selected review of the common childhood and adolescent infections which are probably involved in the etiology of multiple sclerosi

    Epidemiologia dello stroke

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    Fisiopatologia, Clinica, Diagnosi, Terapia e Management dell'ictus ischemico e emorragic

    A multicenter study. Part 2, methodologic experience from a multicenter case-control study (on multiple sclerosis) in Italy. The Italian Multiple Sclerosis Study Group

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    Multicenter national study on exogenous risk factors of multiple sclerosis in Italy. Methodologic experience in a case-control study carried out by the Italian Multiple Sclerosis Study Group

    Epidemiology of multiple sclerosis in Italy and in Southern Europe

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    Selected review on epidemiology of multiple sclerosis in Italy and in southern Europ

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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