Source and impact of lead contamination on δ-aminolevulinic acid dehydratase activity in several marine bivalve species along the Gulf of Cadiz

1. Company, R.
2. Serafim, A.
3. Lopes, B.
4. Cravo, A.
5. Kalman, J.
6. Riba, I.
7. DelValls, T.A.
8. Blasco, J.
9. Delgado, J.
10. Sarmiento, A.M.
11. Nieto, J.M.
12. Shepherd, T.J.
13. Nowell, G.
14. Bebianno, M.J.