Holmes said Sudanese government efforts to fill the most critical gaps have been inadequate, but have for the moment prevented a secondary humanitarian crisis from erupting.

VOA: standard.2009.06.11

He was forced to halt his blog and Webcast at the most critical time.

VOA: standard.2009.07.27

Warren says now that researchers have a map of the zebra finch genome, they can carry out experiments to identify which genes in the finch's brain are most critical to hearing and producing song - and by extension, which genes may play a role in human speech disorders, like those related to stuttering, autism,and Parkinson's disease.

VOA: standard.2010.04.05

He said most of people being treated in local hospitals are in critical condition.

VOA: standard.2009.09.04