1,721,027 research outputs found
Detection and distribution of alfa-naphthyl acetate esterase activity in thymocytes of normal, myasthenic thymus and thymoma. Histochemical and cytochemical study in relation to E-rosetting
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
CD5-positive B-cells of the fetal and adult spleen lymphoid tissue: an immunophenotypical study.
No full textRELATIONSHIP BETWEEN STRUCTURE AND LYMPHOCYTE-T MATURATION IN HUMAN THYMOMAS - ENZYME HISTOCHEMICAL AND IMMUNOHISTOLOGICAL STUDIES
No full textMucous membrane plasmacytosis of the nose in a patient affected by B-cell chronic lymphocytic leukemia
No full textMucous membrane plasmacytosis (MMP) is a rare idiopathic condition characterized by infiltration of the mucosa by non neoplastic plasma cells. In this report we describe a case of mucous membrane plasmacytosis of the nose in a 72-year-old woman patient affected by B-cell chronic lymphocytic leukemia (B-CLL). Two different biopsies of the lesion showed diffuse plasma cell, lymphocyte and granulocyte infiltration compatible with granulation tissue. A complete exeresis of the neoplasm was performed endoscopically without complications, allowing the diagnosis of MMP; a monthly follow up was performed with no signs of local relapse 15 months after surgery. Topical steroid therapy with budesonide nasal spray was administered. There is no standardized treatment for MMP: we have reported good result of surgical approach in a unique case of nasal MMP in a patient with B-CLL; the relation between these two diseases deserves more studies
B-CELL CHRONIC LYMPHOCYTIC-LEUKEMIA STAGE-0 - AN IMMUNOPHENOTYPIC STUDY OF 66 CASES AND COMPARISON WITH B-SMALL-CELL LYMPHOMAS
No full textDoes adjuvant radiation therapy improve disease-free survival in completely resected Masaoka stage II thymoma?
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