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.
Mineral resources are an important driver in Mexicoâs socio-economic development. The Mexican mining industry supports its local communities and regions, especially isolated communities that have no other substantial sources of income.he Mexican metallogenetic provinces map shows a wide variety of minerals (Fig.3) which include among others: gold, silver, copper, zinc, lead, molybdenum, manganese, fluorite, titanium, coal salt, sulfur and iron.