81.   Vitamin K is routinely given in the first week of life to prevent bleeding.

82.   The province was attacked a month ago after weeks of simmering tension.

83.   ...the seventeenth week of gestation.

84.   It was the worst week of my life.

85.   A store selling tents, sleeping bags, and all manner of appurtenant equipment for a week of roughing it.

86.   Several weeks of fall remain before winter begins.

87.   Each year the mountain men of the Old West would gather for a week of carousing, tall tale-telling, and general jollification.

88.   A week of nonstop rain that submersed the cornfields and delayed planting for days.

89.   The spa experience was a week of pure nirvana.