1,721,051 research outputs found
Re: Mieke Van Hemelrijck, Hans Garmo, Lars Holmberg, et al. Multiple events of fractures and cardiovascular and thromboembolic disease following prostate cancer diagnosis: results from the population-based PCBaSe Sweden. Eur Urol 2012;61:690-700.
No full textNo abstract abailabl
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Pulmonary epithelioid hemangioendothelioma presenting with vertebral metastases: a case report.”
No full textIntroduction: Epithelioid hemangioendothelioma is a rare vascular tumor that has an epithelioid and histiocytoid
appearance, originates from vascular endothelial or pre-endothelial cells and comprises less than 1% of all vascular
tumors. It was described for the first time in 1975 as pulmonary epithelioid hemangioendothelioma, because initially
it was believed to be an aggressive form of bronchoalveolar cell carcinoma with a remarkable propensity to
invade adjacent blood vessels and small airways. Only a few cases have been reported in the literature to date.
Tumor cells expressing Fli-1 and CD31 have been identified as relatively specific endothelial markers. Epithelioid
hemangioendothelioma may affect multiple organs and may vary considerably in its clinical and radiological
presentation. More than 50% to 76% of pulmonary epithelioid hemangioendothelioma patients are asymptomatic.
They are usually incidentally diagnosed on the basis of abnormal chest radiography during routine physical examinations.
Hematologic and gastrointestinal disorders and weakness or numbness may also be observed, in addition to respiratory
symptoms, in cases of disseminated pulmonary epithelioid hemangioendothelioma. Pain and swelling, pathological
fractures, spine compression or paresthesia, loss of muscular strength and paraplegia may be present when bone
metastases occur. Because of the rarity of this disease, there is no standard for treatment.
Case presentation: A 46-year-old Caucasian woman presented to our institution in November 2009 with metastases
of pulmonary epithelioid hemangioendothelioma from the L3 and L4 vertebrae. A course of radiotherapy at a dosage
of 3,000cGy delivered in individual doses of 200cGy/day for 5 days/wk to the L3 and L4 vertebrae led to the
disappearance of the patient’s lumbar pain without any detectable side effects. Percussion of the patient’s vertebral
spine was negative, and no radiological progression of bone disease was found at her 1-year follow-up examination.
Conclusion: Since epithelioid hemangioendothelioma was first correctly defined, several research groups have
reported their experiences with epithelioid hemangioendothelioma irradiation. Further studies are needed to establish
a standard radiation dose to be used for such a complex and extremely rare disease. In our present case, a
radiotherapy dosage of 3,000cGy delivered in individual doses 200cGy/day for 5 days/wk allowed us to reach our goals:
local pain control with good tolerance and better quality of life by the 1-year follow-up examination
The investigational role of cytoreductive stereotactic ablative radiation therapy (SABR) to the primary tumor in metastatic kidney cancer
No full textDispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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