1.   Finally, morbidity rates can be calculated on the basis of data provided by national surveys of self-reported illness.

2.   More detailed information will be sought from national surveys of higher education, employing organisations and former students, supplemented by interviews.

3.   Professor Holloway, an eye specialist, organized a national survey of eye diseases in children.

4.   The Chief Executive also makes arrangement for an independent annual national survey of client satisfaction.

5.   The government gets its data from a national survey conducted every five years.

6.   The latest national survey for the Pew Research Center found a majority of those questioned tend to disbelieve Clinton.

7.   The research will involve a national survey of community credit unions and detailed case studies of individual initiatives.

8.   Unfortunately, these national surveys do not usually collect this type of information.

9.   While Clinton has a comfortable lead over Dole in recent national surveys, the Kansas senator is expected to win Texas.