It has been presented in the United States and in Canada.

"I would say that sometimes drug problems have been presented more politically in the United States than in relation to facts," he said.

The group also presented preliminary data from its own study in the United States, involving 2,121 women.

This became the longest-running production of a Shakespearean play presented in the United States, a record that it still holds.

NBC had already acquired the rights, but had not decided how to present it in the United States.

It was presented yearly in different cities in the United States until 1990.

It constitutes the largest exhibition of Michelangelo's work ever presented in the United States.

Knight was an early advocate of this new procedure and presented it at several conferences in Europe and the United States.

The show was later presented in other Latin American countries and the United States.

"No government official came to see the work we are presenting now in the United States," he said.