If using your voice is difficult, then you know what dysphonia is.

VOA: special.2009.09.02

Then they repeated the experiment using their control word instead.

VOA: special.2009.08.18

Jeff Cohen,an ATF spokesperson. "One of our more noted success was a case a couple of years back involving a Hezbollah terror cell in North Carolina that was transporting cigarettes to the State of Michigan and making a great deal of money on the untaxed cigarettes and then was using the money to basically buy military equipment."

VOA: standard.2010.08.11