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.
In 2014, renewable sources of energy accounted for about 10% of total U.S. energy consumption and 13% of electricity generation. 1. Learn more: U.S. Energy Facts. Renewable Energy. Historical data on U.S. primary energy consumption by energy source. Historical data on U.S. electricity generation by energy source. Historical data on U.S. renewable production and consumption. 1 Preliminary data.