during the human history, there was a great struggle against illness and pain, and physicians have always been vanguard in this fight, but some physicians, in addition to treating patients, have been doing their actual duty, namely the maintenance of human health. in the ancient medical history resources, issues of health protection have been shown to be one of the most significant subjects of ...

This paper examines the current features of and future possibilities for electronic books. After a brief history of printing and the introduction of electronic publishing, the forms and features of eBooks will be described. The strengths and weaknesses of eBooks will then be examined along with other related issues. It will be concluded that eBooks hold the promise for obtaining widespread use ...

Six recent publications by the International Water Association underscore the growing importance of quantitative studies of water utilities for identifying (1) performance patterns, (2) trends in key indicators, and (3) best practice. Since each author takes a different cut through the problem of performance measurement and incentives for improvement, the books provide different perspectives on...

The introduction of a new analytical method, due fundamentally to François Viète and René Descartes the later dissemination their works, resulted in profound change way thinking doing mathematics. This change, known as process algebrization, occurred during seventeenth early eighteenth centuries led great transformation Among many other consequences, this gave rise treatment results classic tre...

Development costs For the purpose of this article we will assume that development costs (equipment, instruments, vehicles, and training staff) will be financed by one-time investments from the government, non-governmental organisations (NGOs), local philanthropists or hospital savings. These development investments are very important; however, they are occasional and once made they are no longe...