11.   As a result, the agency said, most reported outbreaks this year occurred among school-age children, who had not previously been exposed to it.

12.   Balaban added that the mouse research sounds hopelessly naive because it ignores complex interactions that occur among thousands of genes.

13.   Bankruptcy filings are also occurring among supermarkets.

14.   Because of the infection concerns, the panel asked for extra surveillance of any that might occur among Dermagraft-TC patients after approval.

15.   Bigger variations occur among varieties of salmon than between fresh and canned, she said.

16.   -- Mild retardation rarely occurs among children from higher socioeconomic groups.

17.   A malaria expert at the centers, Dr. Trenton Ruebush, estimates that an equal number of unreported cases occur among United States residents.

18.   A new U.S. Census report finds that the largest percentage increase in unmarried mothers has occurred among older, economically independent women.

19.   A sea change also appears to be occurring among people of modest means.

20.   A similar process of self-organization is occurring among the proliferating funds for firefighters and police officers.