101.   But the overall impact of either additive on reducing ozone is very small, the study says.

102.   But until today, no study could say if this is because black heart patients have less severe coronary disease or other medical differences that made surgery less advisable.

103.   But the same study also said hands-free phones did not reduce the chances of a crash.

104.   But the study says the standards that state courts use for determining whether legal representation was adequate are not high.

105.   But when property owners seek a permit to fill one wetland and build another, the result is often a loss of valuable ecosystems, the study said.

106.   But with the financial stability reflected in most new budgets, the study said, there has been a shift toward increasing funds for state colleges and universities.

107.   But younger patients tend to do as well or better in HMOs, the study said.

108.   But under the new congressional curbs, the power of federal courts to reverse state courts will be reduced, the study says.

109.   By curtailing greenhouse gas emissions, the pollutants causing human ills and deaths could be reduced as well, the study says.

110.   California children lacking access to quality child care programs are twice as likely to be involved in crime and have behavioral problems, a study says.