We present a systematic review of historical, political, and epidemiologic aspects of AIDS in Brazilian children. Over 25 years, Brazil has developed different strategies to control AIDS in children. Three revisions of criteria for defining AIDS cases in children and nine national guidelines on antiretroviral therapy administration for management of HIV infection were published. These guideline...

Gradually, discussions about the mechanisms needed to achieve trust by consumers in e-business dealings are becoming more fine-grained. One element that has attracted almost no attention to date is the signification of consent within telecommunications-based systems. This paper examines the role of consent within the broader area of trust; identifies its dimensions; proposes a framework within ...

if an air flow is injected into a liquid fluid, many ambulant air bubbles are formed inside the fluid. air bubbles move inside the liquid fluid because of the buoyancy force, and the mobility of these air bubbles makes sizable commixture and turbulence inside the fluid. this mechanism was employed to enhance the heat transfer rate of a horizontal double pipe heat exchanger in this paper. howeve...