1.   Do you have evidence that this treatment works?

2.   I understand that this treatment may not work.

3.   It is debatable whether these alternative medical treatments actually work.

4.   They say they have scientific proof that the treatment works.

5.   I have passed copies of your letter to the Projects and Water Operations divisions of this department who will reply to you regarding abstractions and sewage treatment works dispersion.

6.   As her father says, the treatment worked, but the patient died.

7.   And some treatments can work, even if they run almost totally counter to the American talking model.

8.   Biopsies will be taken and patients will undergo various scans to look for evidence that the treatment is working.

9.   A closer look at the results could show that the treatment works in a specific subset of patients, he said.

10.   A month later the patients underwent biopsies and chest X-rays to determine whether the treatment had worked.