A summary declaration must be made within 24 hours of presentation.

Campaigning officially closed Thursday night with hours of presentations by candidates.

This has proven an effective strategy: almost all pollen is removed within two to three hours of presentation.

If diagnosed within the first few hours of presentation, the pooling blood may be evacuated using a syringe.

The Senate Budget Committee slog through hours of presentations from the governor's commissioners.

After 10 hours of presentations from both critics and proponents of the proposal, Judge Motz said last week that he would rule by mid-December whether to accept or reject it.

After listening to hours of presentations, the panel members voted to bring Lotronex back to market, but to recommend it only for women with severe chronic diarrhea from a definitively diagnosed case of irritable bowel syndrome.

There was no significant relation between the time from presentation to operation and the proportions of patients with complicated appendicitis and of unnecessary operations, although 39% of operations performed within two hours of presentation were unnecessary.

Amid the hours of presentations at the economic conference in Little Rock, Ark., Monday and Tuesday and among the various programs offered for rejuvenating the economy, one of the ideas that seemed to whet President-elect Bill Clinton's appetite was bank deregulation.

WE'RE constantly told that the Academy Awards show gets a billion viewers, as if this were reason enough to stay tuned for more than three hours of presentations and acceptances, to say nothing of skits, dance numbers and the inevitable song medleys.

As delegates staged a traditional opening ceremony that featured tribal drums, eagle feathers and burning sweet grass, Mr. Clinton, Vice President Al Gore, their wives and nearly every member of the Cabinet were all there to hear nearly two hours of presentations by tribal leaders on a wide range of issues.