Lung cancer in patients under 40 years of age: a different problem?

1. Feliu, J.
2. González Barón, M.
3. Berrocal, A.
4. Barón Saura, J.M.
5. Artal, A.
6. Garrido, P.
7. Ordóñez, A.
8. Jalón, J.I.