A unique and fluid collaboration and friendship between the two followed, which helped both men get their careers off the ground.

Growing Against Gangs involves a unique collaboration between police, schools and voluntary organisations.

The period of the two painters' great intimacy and of their unique collaboration was about to begin.

It is described as a unique collaboration between academics and information specialists.

Theirs grew into a unique collaboration that lasted almost 16 years until his death in 1982.

This month Boltwood begins a unique collaboration with an aromatherapist who will use the oil to massage patients.

The unique and exclusive collaboration was launched in spring 2011.

It's a unique collaboration that encourages developers and experts to use their skills to help change the world.

The project is a unique collaboration between military and financial analysts.

"We entered into a unique collaboration with the city and private investors in a burgeoning 21st-century neighborhood."