"In areas where the sleeping sickness is still very prevalent, such as remote areas of some central African countries -- which are by the way very unstable areas -- it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: special.2010.04.07

A strong commitment to working together will be crucial, says economist Gianluca Benigno of the London School of Economics - crucial for public perception and for jittery markets.

VOA: standard.2009.04.01

Iqbal Khattak, a Peshawar-based journalist for the Daily Times newspaper, says for the army to be successful in South Waziristan, it will also be crucial for it to exploit tribal tensions that exist between the Mehsuds and Wazirs, the two major clans in the region.

VOA: standard.2009.06.18

"In areas where the sleeping sickness is still very prevalent such as remote areas of some central African countries, which are by the way very unstable areas, it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: standard.2010.04.05