1.   But the shortage is now getting worse due to an unexplained drop in organ donations.

2.   But this time, the corrected percentile scores virtually eliminated the unexplained drops that had troubled Kline, the Fort Wayne testing director.

3.   Medicaid has similar broad eligibility, and it too has recorded a similar unexplained drop in its rolls.

4.   There has been a similar unexplained drop in Medicaid rolls.

5.   Hadi said a poor harvest of sorghum as well as an unexplained drop in exports of gum arabic and groundnuts were to blame.