81.   Two states, Massachusetts and Virginia, rejected the agreement, arguing that more studies are needed to demonstrate a need for the standards.

82.   Washington said the racial, as well as gender, aspect of seat belt use needs more study.

83.   While many tests have shown the treatments have delayed the onset of acquired immune deficiency syndrome, the experts said, more studies still are needed.

84.   Whoever was in charge of Olympics routing needed a study in the shortest distance between two points.

85.   With such a short history of research in this area, long-term studies are still needed.

86.   Other researchers cautioned that the test needs more study before it is ready for widespread use.

87.   Palmer and other scientists agree more in-depth studies are needed.

88.   Pahamin said a study was needed as it involved additional costs for Puspakom and vehicle owners.

89.   A presidential panel in December concluded that none of the research has validated any specific cause and that more study is needed.

90.   A presidential panel concluded that none of the research has validated any specific cause and that more study is needed.