656 resultados para 1548


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Two surveys of over 1,700 publications whose authors use quantitative real-time PCR (qPCR) reveal a lack of transparent and comprehensive reporting of essential technical information. Reporting standards are significantly improved in publications that cite the Minimum Information for Publication of Quantitative Real-Time PCR Experiments (MIQE) guidelines, although such publications are still vastly outnumbered by those that do not.

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A considerable number of Irish Catholics in West Belfast, originally native English speakers, have started learning the Irish language throughout the Northern Irish conflict in order to feel more Irish. Many of these have developed a strong conviction that the Irish language contains a different worldview from the one embodied in English. However, rather than constituting a plausible representation of relevant differences embodied in the languages themselves, this article puts forward the hypothesis that such a neo-Whorfian endorsement of linguistic relativity might rather be the product of dialectical idiomatization, following from the interplay of prevailing language ideologies and effects of second language acquisition.

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In urban Burkina Faso, siblings play a decisive role in local social security. Badenya, the unity of children of the same mother, compensates in particular for the economic failure of an eldest son no longer in a position to fulfill his familial duties. Although the institution of badenya is strengthened as it increasingly comes into play to help a family avoid social marginalization, it is also overburdened, which makes its future uncertain. This article enhances the anthropological understanding of kinship by focusing on sibling relationships. Findings are based on interviews conducted between 2007 and 2010 with two generations in households in Bobo-Dioulasso and on participant-observation over the course of more than a dozen research stays since 1989.

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INTRODUCTION The proximity of the roots of the posterior maxillary teeth to the maxillary sinus is a constant challenge to the dental practitioner. Because the majority of studies have assessed the relationship regarding molars, the present study focused on premolars. METHODS Cone-beam computed tomographic images of 192 patients were reconstructed in sagittal, coronal, and axial planes to quantify the distances between the root apices of the maxillary premolars and the adjacent maxillary sinus. Measurements were taken for each root, and data were correlated with age, sex, side, and presence of both or absence of 1 of the 2 premolars. RESULTS A total of 296 teeth (177 first and 119 second premolars) were evaluated. The mean distances from buccal roots of the first premolars to the border of the maxillary sinus in the sagittal, coronal, and axial planes ranged from 5.15 ± 2.99 to 8.28 ± 6.27 mm. From palatal roots, the mean distances ranged from 4.20 ± 3.69 to 7.17 ± 6.14 mm. The mean distances of second premolars were markedly shorter in buccal roots between 2.32 ± 2.19 and 3.28 ± 3.17 mm and in palatal roots between 2.68 ± 3.58 and 3.80 ± 3.71 mm, respectively. The frequency of a premolar root protrusion into the maxillary sinus was very low in first premolars (0%-7.2%) but higher in second premolars (2.5%-13.6%). Sex, age, side, and presence/absence of premolars failed to significantly influence the mean distances between premolar roots and the maxillary sinus. CONCLUSIONS Based on the calculated mean distances of the present study, only few premolars (and if so second premolars) would present a risk of violating the border of the maxillary sinus during conventional or surgical endodontic treatment or in case of tooth extraction.

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Mathematical models of disease progression predict disease outcomes and are useful epidemiological tools for planners and evaluators of health interventions. The R package gems is a tool that simulates disease progression in patients and predicts the effect of different interventions on patient outcome. Disease progression is represented by a series of events (e.g., diagnosis, treatment and death), displayed in a directed acyclic graph. The vertices correspond to disease states and the directed edges represent events. The package gems allows simulations based on a generalized multistate model that can be described by a directed acyclic graph with continuous transition-specific hazard functions. The user can specify an arbitrary hazard function and its parameters. The model includes parameter uncertainty, does not need to be a Markov model, and may take the history of previous events into account. Applications are not limited to the medical field and extend to other areas where multistate simulation is of interest. We provide a technical explanation of the multistate models used by gems, explain the functions of gems and their arguments, and show a sample application.

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Übers. d. Hauptsacht.: Das Tor der Umkehr

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Boberach: Die revolutionären Ereignisse von 1848 werden in Beziehung gesetzt zur Pest von 1348, zum Aschaffenburger Konkordat zwischen Papst und Kaiser von 1448, dem Augsburger Interim von 1548, dem Westfälischen Frieden 1648 und zu einer angeblichen katholischen Vorherrschaft seit 1748

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The diagnosis of polymyalgia rheumatica (PMR) is based on the typical clinical symptoms and elevated inflammatory markers in blood; however, both are unspecific and the differential diagnosis of the disease still represents a challenge for clinicians. The new consensus classification criteria of the European League Against Rheumatism (EULAR) and the American College of Rheumatology (ACR) established in 2012 have a high sensitivity (92.6 %) and specificity (91.2 %) and therefore contribute to improved diagnostics. Glucocorticoids are still the standard treatment with methotrexate and as an alternative and possibly anti-interleukin (anti-IL) 6 therapy in the future.

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