61.   Use them within four to five weeks.

62.   Unless TPA is used within three hours after stroke symptoms appear, it could increase the risk of fatal bleeding.

63.   Use it within two weeks.

64.   Wechsler estimated that similar technology could be used within five years to transform live-action film sequences.

65.   According to WHO guidelines, measles vaccine powder should be mixed with distilled water and used within four hours, Shah said.

66.   Before delving deeper into the Perl scripting language this week, I will take some time to explain the environment where it mostly functions in or is used within.

67.   Eggs not used within a week of delivery to a unit must be thrown away.

68.   FIS said chemicals need not be used within the national park boundaries, and that compromises could be worked out on the other issues as well.

69.   FIS has said chemicals need not be used within the national park boundaries, and that compromises could be worked out on the other issues as well.

70.   If they are used within permissible areas and situations, they provide vital services which can save lives.