The team examined results from a Norwegian study of more than nine hundred people with C.O.P.D.

VOA: special.2009.06.23

The team examined results from a Norwegian study of nine hundred fifty-four people with C.O.P.D.

VOA: special.2009.06.03

C.O.P.D.is a new name for emphysema and chronic bronchitis.

VOA: special.2009.06.23