Background & Aims. Patients with recurrent bleeding from gastrointestinal vascular malformations are a challenge to treat. We investigated the long-term efficacy and safety of thalidomide for refractory bleeding from gastrointestinal vascular malformations in an open-label, randomized study.
China is Worldâs Largest Energy Consumer. World consumption of energy has increased 5.6 percent in 2010, according to BPâs Statistical Review of World Energy. This is the largest increase since 1973, which happened to be a memorable year in energy history.
Energy in the United States. United States energy consumption by sector in 2007. The United States was the 2nd largest energy consumer in 2010 (after China) considering total use. The U.S. ranks seventh in energy consumption per-capita after Canada and a number of small nations.