11.   More fortunate patients are diagnosed, before symptoms occur, during routine blood tests.

12.   Not all symptoms occur with every attack, and they can subside and return, as they did with Sackett.

13.   The companies also want bronchodilation studies, which measure how well patients react to treatment when asthmatic symptoms occur naturally.

14.   The most horrific symptoms occur in only a tiny minority of those infected, and most people are not susceptible to infection at all.

15.   The proposed revisions would give companies the option of using bronchodilation studies, which measure how well patients react to treatment when asthmatic symptoms occur naturally.

16.   The symptoms usually occur on both sides of the body.

17.   These initial symptoms occur within the first few weeks of infection.

18.   These symptoms often occur during sleep.

19.   They are best used before symptoms occur.

20.   These symptoms occur more often as the dose increases.