Reduced exercise tolerance in mild chronic obstructive pulmonary disease: The contribution of combined abnormalities of diffusing capacity for carbon monoxide and ventilatory efficiency

1. Phillips, D.B.
2. James, M.D.
3. Elbehairy, A.F.
4. Milne, K.M.
5. Vincent, S.G.
6. Domnik, N.J.
7. de-Torres, J.P.
8. Neder, J.A.
9. O'Donnell, D.E.