21.   Other study participants questioned whether cramping would apply only to women.

22.   Researchers in that investigation commissioned a panel of leading national medical experts on ALS to review the medical histories of study participants, Cox said.

23.   Sixteen percent died in the month after the operation, as compared with no deaths among study participants who were just as ill but did not have the operation.

24.   Study participants also found that their voices had become harsher or more hoarse, or that it was harder to keep a stable tone.

25.   Study participants received folate by eating a balanced diet, with orange juice playing a prominent role.

26.   Study participants will be divided into four groups.

27.   Study participants and other child-care experts agreed that parents should thoroughly investigate day-care centers before choosing one for their children.

28.   Study participants were divided into four groups according to the levels of vitamin C in their blood.

29.   Study participants were from East Boston, New Haven and two Iowa counties.

30.   Study participants were the ones who pointed out that coercion cuts both ways.