The history of football has been filled with many effective combinations.

With these markers established, researchers will then be able to determine the most effective combination of resistance genes.

In recent years doctors have hit upon effective combinations for the most common heart conditions.

"Some trial and error is often needed to arrive at the most effective combination," she said.

No effective combination of the two was available within Britain's political culture.

By the end of the season he had started to form an effective combination with Nick Evans.

Most persuasive writing techniques use an effective combination of all three appeals.

Green made a positive start to the bout and dropped his opponent in the second round with an "effective combination".

I will work with members of Congress to find the most effective combination of reforms.

Still, no one company controlled all the drugs needed for an effective combination.