Levels of zinc, cadmium, and lead in liver, kidney, and feathers of Atlantic puffins (Fratercula arctica) from Spain

1. Barrales, I.
2. Hernández-Moreno, D.
3. Fidalgo, L.E.
4. López-Beceiro, A.
5. Martínez-Morcillo, S.
6. Sánchez-Montero, L.
7. Prado Míguez, M.
8. Soler, F.
9. Pérez-López, M.