The identification of KRAS mutations at codon 12 in plasma DNA is not a prognostic factor in advanced non-small cell lung cancer patients

1. Camps, C.
2. Jantus-Lewintre, E.
3. Cabrera, A.
4. Blasco, A.
5. Sanmartín, E.
6. Gallach, S.
7. Caballero, C.
8. Del Pozo, N.
9. Rosell, R.
10. Guijarro, R.
11. Sirera, R.