the aim of this study was to identify and prioritize the risky behaviors and explore the newly emerging pi related to egyptian habits that may lead to hcv transmission.from january 2011 until january 2012, a case control study matched on socio demographic factors was conducted comparing 540 hepatitis c patients and their contacts who were hcv serologically negative (102 subjects). they were ran...

introduction: the greatest part of constructed dams belongs to embankment dams and there are many examples of their failures throughout history. about one-third of the world’s dam failures have been caused by flood overtopping, which indicates that flood overtopping is an important factor affecting reservoir projects’ safety. moreover, because of a poor understanding of the randomness of floods...