However, there are insufficient numbers of red blood cells.

There are insufficient numbers of health care workers to provide basic day-to-day services.

The relief came in insufficient numbers: estimates range from 80,000 to 250,000 soldiers.

The statement said that an insufficient number of manuscripts were submitted.

If an insufficient number accept the package, layoffs could follow, he said.

With insufficient numbers, society members were required to present or compete every three weeks.

If an insufficient number respond within four minutes, the alarm must be sent again.

Later, he lamented the insufficient number of mandatory drug treatment programs.

As for the argument that there are insufficient numbers of talented women to meet the demand, it will not do.

As a result of their insufficient numbers this proved impossible.