11.   However, administration officials denied that such problems have recurred recently.

12.   If the problem recurs, Ripken could need surgery, which could end his career.

13.   NFL sources say doctors are trying to figure out why the problem has recurred and whether it is something that will recur again.

14.   The problem has recurred periodically over the last quarter century, and presidents and Congress have managed to resolve it without undermining the program.

15.   The original problem can recur after surgery.

16.   If one does not address the fundamental structural reforms, the problems will recur .

17.   Some therapies would help him avoid flare-ups for as much as eight weeks before the problem would recur, forcing him to ice his hand between holes.

18.   The minister said there are many other controversial cases that he will have to study to ensure the same old problems do not recur during his term.

19.   This may result in better planning so that the problem would not recur.

20.   Trittin demanded the utility take measures to ensure the problem does not recur at the plant, located in the southwestern state of Baden-Wuerttemberg.