11.   The agency in September asked American Home to withdraw its fenfluramine and Redux drugs after they were linked to heart valve problems.

12.   The diet drugs Fen-phen, withdrawn from the market after patients developed heart valve problems, are a case in point.

13.   The FDA did not request withdrawal of phentermine, the third widely used obesity medication, which has not been implicated in the heart valve problems.

14.   The watching for what if any permanent damage his valve problems did to his lungs, where pressure built to troublesome levels.

15.   The women developed heart valve problems and heart murmurs while on the drug.

16.   The watching for any permanent damage his valve problems did to his lungs, where pressure built to troublesome levels.

17.   They hope to get a better idea of the dynamics of heart damage, like valve problems, by watching the heart in action.

18.   Those controversial drugs were in great demand last year until they were identified as a possible cause of heart valve problems in some users.

19.   Among those who took the medicines less than three months, no unusual valve problems were seen.

20.   American Home, based in Madison, N.J., announced a nationwide deal last week to settle claims that the drug combination caused dangerous heart valve problems.