Validation of a method to quantify chromium, cadmium, manganese, nickel and lead in human whole blood, urine, saliva and hair samples by electrothermal atomic absorption spectrometry

1. Olmedo, P.
2. Pla, A.
3. Hernández, A.F.
4. López-Guarnido, O.
5. Rodrigo, L.
6. Gil, F.