1,721,513 research outputs found
Flowchart of screening process (adapted from: Moher, D., Liberati, A., Tetzlaff, J., & Altman, 2009).
No full text<p>Flowchart of screening process (adapted from: Moher, D., Liberati, A., Tetzlaff, J., & Altman, 2009).</p
Tappi sintetici: caratteristiche meccaniche e prestazionali
No full textAim of the paper is the chemical, physical, and mechanical characterization of the different typology of synthetic corks available on the market by using techniques still rarely applied to these products. On the basis of the performed characterization, a division of the synthetic stoppers into two main categories related to the nature of the thermoplastic elastomer used in the polymeric mixture is proposed. Such division permits to highlight the importance of correctly selecting the thermoplastic elastomer in order to obtain the requested performances. Attention was particularly paid to the mechanical-dynamical tests with the aim to determine the long-term behaviour of synthetic stopper according to the main polymer used
Deconvolution of infrequently sampled data for the estimation of growth hormone secretion
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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
Forecasting the performance status of head and neck cancer patient treatment by an interval arithmetic pruned perceptron
No full textThe integration of chemotherapy and radiotherapy for the treatment of advanced head and neck cancer is still a matter of clinical investigation. An important limitation is that the concomitant administration of chemotherapy and radiotherapy still induces severe toxicity. In this paper, a simple artificial neural network is used to predict, on the basis of biological and clinical data, if the cumulative toxicity of the combined chemo-radiation treatment itself would be tolerated. The resulting method, tested on clinical data from a phase II trial, proved to be able to forecast which patients will tolerate a combined chemo-radiotherapeutic approach. This result should open a new perspective in the clinical approach, by supplying a potential predictive indicator for toxicity
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