91.   Ms. Durocher had been treated successfully at New England Medical for eight years for a rare liver disease, averting the risks of a transplant.

92.   Near the front in Kuwait, the American Army has a new field laboratory where rare diseases can be diagnosed.

93.   Now he is the head of a top-secret government team investigating rare diseases, some so bizarre they seem to come from outer space.

94.   Now, with spring approaching, officials are trying to address the health risks without inflaming fears about what remains a relatively rare disease.

95.   One man has a rare disease killing his leg and is frozen out by potential colleagues.

96.   Ovarian cancer is a relatively rare disease.

97.   Others, like Creutzfeldt-Jakob disease and fatal familial insomnia, are exceedingly rare diseases of humans.

98.   Payton was diagnosed earlier this year with primary sclerosing cholangitis, a rare liver disease.

99.   Perhaps the biggest race to supply a life-saving drug to patients with a rare disease is between Genzyme Corp. and Transkaryotic Therapies Inc.

100.   Senators also reinstated a tax credit that is an incentive for pharmaceutical companies to develop drugs to fight rare diseases.