91.   T-PA therapy must begin within three hours to prevent brain damage.

92.   Travel must begin within nine months of purchase.

93.   Vila predicted the indemnity payments would begin within months.

94.   Under Air Force regulations, search and rescue operations should begin within an hour after a plane is reported overdue.

95.   Veterans who believe they are disabled with illnesses stemming from their military service now must prove that their symptoms began within two years of leaving the gulf region.

96.   Winter in Central Asia begins within weeks, and in the formidable mountains of Afghanistan, winter is an enemy to be feared.

97.   Without the spraying, foresters fear, the caterpillars of the exotic pest will within a few years begin to ravage the majestic hardwoods in and around Highlands.

98.   Work in Bosnia on all of those projects will begin within three weeks, Tanaka said.

99.   Work is to begin within a month, with the agencies monitoring progress.

100.   Pollard said he hopes human testing can begin within a year or two.