He and his colleagues have undertaken the kind of task that would tire Sisyphus.

Frankland and his colleagues undertook a series of trials which proved that antihistamine tablets neither helped nor increased pollen asthma.

As the Cold War began to escalate, Chertok and his colleagues undertook their work with an immense sense of patriotism.

Finally, a film actress, Mary Stuart Masterson, discusses a peace mission she and some colleagues undertook to the Soviet Union.

President F. W. de Klerk, the African National Congress leader Nelson Mandela and their colleagues have undertaken a herculean task.

In 1983, Dr. Wennberg and his colleagues undertook a landmark outcomes study of patients with benignly enlarged prostates.

The work that 'Ali Mubarak and his colleagues undertook laid the foundations for territorially defined Egyptian nationalism in the twentieth century.

You agreed with this, and suggested that Mr Giansily, some other colleagues and I should undertake to get together with the Commission and consider a way forward.

The risks of repeatedly going undercover have meant that MacIntyre has increasingly turned to presenting on films where his colleagues have undertaken the undercover work.

He and his six colleagues undertook an 'extraordinary experiment in assessment of social risk' that had considerable impact on the national debate.