The form asks for the number of people living or staying in a house, apartment or mobile home.

VOA: special.2010.03.20

And a phone number is requested, the form explains, in case an answer is not understood.

VOA: special.2010.03.20

The doctor also says researchers could be able to limit the number of cells that can form tumors if they limit the number of normal stem cells.

VOA: special.2010.06.01