I've been using that combination for years and it works very well.

But on the whole, the combination of large scale and small form works well.

In practice, however, this combination has not always worked smoothly.

If a combination works, then a doctor should try to withdraw the first drug, the report said.

Officials said more research was still necessary to determine which combination of chemicals works best.

In severe cases, a combination of drugs may work best.

For if the combination did not work, he would in any event have no other way out.

For the most part, this combination is fine, and works well.

The study found that the combination worked better than the single medication.

For most people, a combination of these treatments works best.