Quantifying brain tumor tissue abundance in HR-MAS spectra using non-negative blind source separation techniques

1. Croitor Sava, A.R.
2. Martinez-Bisbal, C.M.
3. Sima, D.M.
4. Calvar, J.
5. Esteve, V.
6. Celda, B.
7. Himmelreich, U.
8. Van Huffel, S.