1,354,136 research outputs found

    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

    Fatal lactic acidosis and mimicking Guillain-Barr{\'e} syndrome in an adolescent with human immunodeficiency virus infection

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    We report a case of antiretroviral therapy-related fatal lactic acidosis occurring in a vertically infected HIV-positive 17-year-old patient. While receiving antiretroviral therapy with stavudine, didanosine, tenofovir and amprenavir, the patient developed severe acidosis and rapid neuromuscular and respiratory failure mimicking Guillain-Barre syndrome

    Italian post-marketing surveillance for adverse event reports after MF59-adjuvanted H1N1v vaccination

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    According to European recommendations, the Italian Medicines Agency (AIFA) required close monitoring of the safety of the MF59-adjuvanted H1N1v vaccine, which was the only vaccine available in Italy for prophylaxis of the A/H1N1 (2009) pandemic influenza. From October 2009 to June 2010, the Italian Pharmacovigilance Adverse Event (AE) Spontaneous Reporting System [. Rete Nazionale Farmacovigilanza] (RNF) received 1330 reports of AEs temporally related with the pandemic influenza vaccination out of a total of 924,057 doses administered. Among these, 1,162 (87.37%) AE reports were classified 'non serious', 91 (6.84%) 'serious', 3 (0.23%) had a fatal outcome and 74 (5.56%) did not include the degree of seriousness. Among the serious AE reports, some unexpected AEs emerged. Even though some typical vaccine safety issues which emerged should be further explored, such as vaccination in pregnancy, the analysis of all AE reports sent to RNF shows that the vaccine has a well-tolerated safety profile which resembles that of the already available seasonal influenza vaccines. This contrasts with the widespread public concern about its safety, which has been one of the major causes of the low vaccination rate observed in Italy, as well as in other countries

    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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