A doctor can use this test to tell if a patient might have the disease, as well as by studying the patient's medical history.

VOA: special.2009.01.06

"Oh,I'm right,am I? Well,I'm not right.I'm wrong. I just said that to test you.

VOA: special.2009.07.19

Well,consider that last year the test was given more than five million times worldwide.

VOA: special.2010.02.18

Iran's military exercises, which started Sunday and have included test launches of short and medium-range missiles as well, come just days after the disclosure that Tehran is building a new uranium enrichment plant.

VOA: standard.2009.09.28