Internal Urethrotomy, also known as Direct Vision Internal Urethrotomy (DVIU) is a surgical procedure used to treat urethral strictures (narrowing) due to scarring.
Nearly 80 percent of Mexicoâs exports in 2013 went to the United States. In 2013, Mexico was the third-largest supplier of foreign crude oil to the United States, as well as the largest export market for U.S. refined petroleum products and a growing market for U.S. natural gas.early 80 percent of Mexicoâs exports in 2013 went to the United States. In 2013, Mexico was the third-largest supplier of foreign crude oil to the United States, as well as the largest export market for U.S. refined petroleum products and a growing market for U.S. natural gas.
The petroleum sector is crucial to the Mexican economy; while its oil production has fallen in recent years, oil revenues still generate over 10% of Mexico's export earnings. High taxes on the revenues of the state oil monopoly Pemex provide about a third of all the tax revenues collected by the Mexican government.emex is Mexico's state-owned petroleum company and the sole supplier of all commercial gasoline (petrol/diesel) stations in the country. Cantarell Field is the largest oil field in Mexico and one of the largest in the world producing. As of Jan 2001, Mexico has approximately 10.42 billion barrels (1.657 Ã10.