Recent studies also support a theory that a combination of genes is linked to the development of lupus.

VOA: special.2009.04.14

In one group,the infected man or woman began to take a combination of three antiretroviral drugs immediately after being found to have HIV.

VOA: special.2011.05.18

It takes the right combination of wind,temperature,pressure and humidity to create even a weak tornado.

VOA: special.2010.05.11

Sometimes he has had to be treated with a combination of drugs in a hospital.

VOA: special.2010.03.30

He says the combination of credit card debt and big student loans is burying young people in debt and driving many of them to bankruptcy.

VOA: special.2009.04.10

But the drug combination can cure the disease within six to twelve months.

VOA: special.2009.10.14

"The best antidote to intolerance is not the 'Defamation of Religions' approach of banning and punishing offensive speech, but rather a combination of robust legal protections against discrimination and hate crimes, proactive government outreach to minority religious groups, and a vigorous defense of both freedom of religion and expression."

VOA: special.2009.10.31

He and his Thiel Foundation just announced the first group of what they call "We selected people on the basis of a combination of having demonstrated intense passion about science and technology and then having the drive to try to carry it forward in the years ahead."

VOA: special.2011.05.30

"We must identify which environmental exposures and combination of exposures are contributing to increased overall risk in the population."

VOA: standard.2010.08.09

The $10-billion U.S.missile defense program involves a combination of systems designed to detect and intercept missiles coming from short,medium and long distances.

VOA: standard.2010.03.26

"You're not going to get more affordable than it is right now, with the combination of interest rates and the home prices.

VOA: standard.2010.03.02

Both King and Hooks wanted to effect social change through a combination of moral force and legislation.

VOA: standard.2010.04.16

A combination vaccine, using strains of HIV common in Thailand,was tested on Thai men and women aged 18 to 30 years old, who were HIV-negative.

VOA: standard.2009.10.20

President Obama says he plans to slash it in half by 2014 through a combination of tax increases on wealthy Americans, and cuts in domestic programs.

VOA: standard.2010.02.01