11.   Aid officials are stuck between helping refugees and heeding security concerns.

12.   And John Kornblum, the top U.S. envoy for former Yugoslavia, said the Serbian leadership must heed concerns from abroad.

13.   But NASCAR, heeding the concerns of its drivers, has so far declined to make the device mandatory.

14.   China urged President George W. Bush on Friday to heed international concerns and act cautiously after Bush said he would withdraw the United States from the Anti-Ballistic Missile Treaty.

15.   Chretien said Thursday he hoped Bush would heed the concerns of countries that the shield would cause a new arms race.

16.   On Monday, John Kornblum, the top U.S. envoy for former Yugoslavia, urged the Serbian leadership to heed concerns from abroad.

17.   President Soeharto has expressed willingness to talk to the students and ordered ministers to heed their concerns.

18.   Suharto, however, did not heed this concern and was increasingly perceived as being remote from the aspirations of his own people.

19.   The drivers praised CART for heeding their concerns, which included vision and hearing problems.

20.   The drivers praised CART for heeding their concerns, which began when drivers reported being dizzy and disoriented in practice.