Printing and printers in Pernambuco, 1815-1824

This article analyzes the chief characteristics of printing in the northeastern province of Pernambuco in Brazil in the nineteenth century as well as its role in disseminating news and opinions on political and social transformations in the period.It explores material conditions, labour and the operational 1073spx characteristics of printing.The pe

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Modeling SARS-CoV-2 spread with dynamic isolation

Background: The SARS-CoV-2 pandemic is spreading with a greater intensity across the globe.The synchrony of public health interventions and epidemic waves signify the importance of evaluation of the underline interventions.Method: We developed a mathematical model to present the transmission dynamics of SARS-CoV-2 and to analyze the impact of key n

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Surgery of petroclival meningiomas

Petroclival meningiomas represent only 10% of all meningiomas located in the posterior fossa, but are some of the most formidable challenges in skull base surgery.We described our recent experience (2005-September2014) regarding the surgery of these tumors.We retrospectively analyzed surgical results and outcome in 11 cases of petroclival meningiom

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