But recent findings have suggested that tPA may be effective in saving brain tissue even if three to four and a half hours have passed.

VOA: special.2009.08.12

If they become infected, especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.05

If they become infected,especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.18

"If you're texting while driving, you are twenty-three times more likely to get into an accident than somebody who isn't.

VOA: special.2010.07.01

But experts generally advise against using the drug if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.09.22

If you want to have power in this society you must master the three literacies this is a class about power,your power."

VOA: special.2009.04.27

But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.08.12

If a batter gets three strikes, he loses his turn at bat and is called out.

VOA: special.2009.04.12

In eighteen eighty-three, American poet Emma Lazarus wrote a poem as if Lady Liberty were speaking.

VOA: special.2010.09.17

And if the room is really noisy, she may say it is a three ring circus.

VOA: special.2009.01.11

If you cannot access our Web site, send the information to VOA Special English two-zero-two-three-seven USA.

VOA: special.2009.10.16

She said when she first sought political office in nineteen eighty-three it was as if "the strong role of women in Cherokee life had been forgotten by some of our own people."

VOA: special.2010.04.09

"The reason is that those plants are going to get so big that if you were to put three or four or six plants in, they are just going to be crowding each other out, and each plant is going to underperform."

VOA: special.2011.06.14

If all goes well, scientists hope Herschel will be working for three years, and the Planck telescope for about 15 months.

VOA: standard.2009.05.14