It was there in 1955 that he announced a successful trial of the vaccine.

Following the successful trial, he signed for the club on 25 July 2009.

The successful trials with No.3441 led to five more being built.

"But we understood a successful trial had been made, with no trouble."

Still, the two could not help savoring the recent successful trial.

That night in October was to be its first successful trial.

A total of 83 patients were enrolled in the successful trial.

After the prototype's successful trials, development continued, and the first problems appeared.

He joined the club on January 27, 2013 after a successful trial.

There has been a successful trial in Kenya for a children's aid program.