91.   The registration requirement generally is used to prevent them.

92.   The reformists say the law is not only unconstitutional but is used to prevent government critics from presenting their arguments publicly.

93.   The State Department said Friday it deplores the forceful action the Myanmar government used to prevent pro-democracy leader Aung San Suu Kyi from traveling outside the capital.

94.   The special Bank of Japan loans are used to prevent financial instability.

95.   This July, the company stopped selling its rotavirus vaccine, used to prevent serious diarrhea, after it was linked to dangerous bowel obstructions in infants.

96.   Traditionally, vaccines have been used to prevent people from catching diseases by arming the immune system to fight off germs.

97.   Under Russian law, interior troops may not be used to prevent peaceful demonstrations, even if the rallies are not sanctioned by authorities.

98.   Hair analysis could be used to prevent athletes taking drugs to enhance their performance, using a test devised by scientists to monitor the habits of drug addicts.

99.   A member of the Turkmenistan delegation said it was important that international organizations verify that the money is being properly used in order to prevent corrupt practices.

100.   Estrogen replacement therapy -- increasingly used to prevent diseases ranging from osteoporosis to heart disease -- previously has been linked to increased risk of breast and uterine cancers.