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.
The global energy consultancy PFC Energy has published the top 50 energy companies of the world for 2009 based on market cap. PetroChina (NYSE:PTR), the integrated National Oil Company [NOC] of China, is the highest ranked company with a market cap of $353 B. PetroChina beat last yearâs winner of the top spot ExxonMobil (NYSE:XOM) of the U.S.