71.  In rare cases, an excruciating headache accompanied by a stiff neck can be a sign of a life-threatening burst blood vessel in the brain.

72.  In rare cases, damaged parts of the main saphenous vein itself are tied off, though not cut, and the vein is gradually absorbed by the body.

73.  In rare cases, his office receives discretionary funds.

74.  In rare cases, senders need only the barest of addresses.

75.  In rare cases, serious ulcers can lead to death.

76.  In rare cases, someone could have the exact name, birth date and race as a felon.

77.  In rare cases, the operation, still considered experimental, causes partial blindnes STORY IN s or partial paralysis.

78.  In rare cases, the operation, still considered experimental, causes partial blindness or partial paralysis.

79.  In rare cases involving landmark buildings or other sensitive situations, it might take a year or two to gain the necessary approvals.

80.  In rare cases it causes liver and organ failure.