1.   Although the data from the first study are still being analysed, initial results are promising.

2.   The first systematic studies of political parties belong to the end of the nineteenth century.

3.   The first systematic study of intergroup competition was made about twenty years ago by Sherif and colleagues in the United States.

4.   This is the first in-depth study of Charlie Rolls as a pioneer aviator.

5.   Unfortunately, the results of the first study could not be duplicated.

6.   It was suggested in discussing the results from the first study that subjects may have been deliberately attempting to recall just the risky situations.

7.   This is the first study showing an independent prognostic value for the blood vlume transfused.

8.   This is the first reported study to show convincingly the presence of functional hyposplenism in patients with alcoholic liver disease.