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.
Mexicoâs Top 10 Exports. 1  Vehicles: US$88.1 billion (23.6% of total exports) 2  Electrical machinery, equipment: $76.4 billion (20.4%) 3  Machinery including computers: $61.7 billion (16.5%) 4  Mineral fuels including oil: $18 billion (4.8%) 5  Optical, technical, medical apparatus: $16.2 billion (4.3%)