At the beginning of 2020, Covid-19 epidemic broke out and soon became a global public health problem. Therefore, many countries are speeding up development antiviral drugs COVID-19 vaccines to achieve effective prevention, control, treatment Covid-19. This paper reviews pathogenic mechanism detection diagnosis status research progress drugs, vaccines, some other treatments against it based on p...

introduction: addiction is a habit or behavior that is often hard to quit. it is estimated that 190 million persons are substance users around the world. substance abuse creates tolerance after a while. shortly after taking the drug, a person will not enjoy as the beginning of its use that is why the amount of substance used is gradually increased. the purpose of this study was to find the reas...

one of the most common health problems are diseases of the cardiovascular system with a great bulk of disease burden; while a considerable number of cardiac patients undergo cardiac surgery; cardiac surgical procedures with cardiopulmonary bypass (cpb) are nowadays among the top list of surgical procedures. more than half of a century has passed since the introduction of total cardiopulmonary b...

The increasing role of software for developing products and services requires that organizations align their software-related activities with high-level business goals. In practice, this alignment is very difficult and only little systematic support is available. GQM+Strategies is a method that aims at aligning organizational goals, strategies, and measurements at all levels of an organization ...